Ошибка принтера kyocera c7001 решение

Tired of getting the signal C-7001 on your Kyocera Taskalfa 4052ci, 5052ci, 6052ci, and 8052ci copier while trying to print? I’m sure you tried hard to solve the problem. However, this is a common error on all Kyocera copiers and can be easily fixed in a few steps. Here in this article, we are sharing some methods for troubleshooting C-7001 error code on the Kyocera Taskalfa copier. So, read this article to know the causes and solutions of this problem. These methods will help you to continue the printing process.

The error code C-7001 on the Kyocera Taskalfa copier stands for Toner cartridge error or Toner container motor error. It indicates that the toner cartridge is locked up and it’s not rotating.That is, there is a motor operating for the four cartridges ( Cyan, Magenta, Yellow and Black) on a copier. This error can occur if any of the cartridges are tight, damaged or have any kind of rotating problem.

Solution for the error C-7001 on Kyocera Taskalfa 4052ci

This error will occur if you are using a compatible Toner on your copier. So, always use original toner on your machine.

  1. Replace the toner cartridge
    • Black, Cyan, Yellow, Magenta If any of these cartridges are low or have any complaints, your machine may have this error.  So, check the cartridges by replacing each cartridge.
  2. Check the Toner container motor
    • If the toner container motor does not work, the cartridge will not work.  So you need to enter service mode and check it to know if it works or not.
    • To enter service mode, you need to press ‘1087‘ and press ‘1087‘ again. Now you are in service mode.  Then, press ‘U132‘ After that, select the ‘START‘ button.  Then, touch ‘Executive‘ and press the START button. 
    • Now you can see if the motor is running or not.  If the motor does not work check the motor and also check the toner container unit.
    • The toner container motor is located on the back of the machine. This error also occurs if the motor is damaged or there are any problems with the connection of the motor. Check the wire connectors and make sure they are connected properly. Additionally, it can also happen if the contacts are not correct. So, check these parts and replace them if necessary.

Kyocera 4052ci Toner container unit
  1. Upgrade the firmware to the latest version.
  2. Check the feed image PWB. Replace it if necessary.

Ошибки Kyocera ECOSYS M2030dn

Ошибки Kyocera ECOSYS M2030pn

Ошибки Kyocera ECOSYS M2035dn

Ошибки Kyocera ECOSYS M2040dn

Ошибки Kyocera ECOSYS M2135dn

Ошибки Kyocera ECOSYS M2530dn

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Ошибки Kyocera FS-C8600DN

Ошибки Kyocera FS-C8650DN

Ошибки Kyocera FS1016MFP

Ошибки Kyocera FS1018MFP

Ошибки Kyocera FS1020MFP

Ошибки Kyocera FS1024MFP

Ошибки Kyocera FS1025MFP

Ошибки Kyocera FS1028MFP

Ошибки Kyocera FS1030MFP

Ошибки Kyocera FS1035MFP

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Ошибки Kyocera FS1050

Ошибки Kyocera FS1060DN

Ошибки Kyocera FS1100

Ошибки Kyocera FS1110

Ошибки Kyocera FS1116MFP

Ошибки Kyocera FS1118MFP

Ошибки Kyocera FS1120

Ошибки Kyocera FS1120MFP

Ошибки Kyocera FS1124MFP

Ошибки Kyocera FS1125MFP

Ошибки Kyocera FS1128MFP

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Ошибки Kyocera FS1200

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Ошибки Kyocera FS1320D

Ошибки Kyocera FS1320MFP

Ошибки Kyocera FS1325MFP

Ошибки Kyocera FS1350DN

Ошибки Kyocera FS1370DN

Ошибки Kyocera FS1500

Ошибки Kyocera FS6020

Ошибки Kyocera FS6025MFP

Ошибки Kyocera FS6025MFPB

Ошибки Kyocera FS6030MFP

Ошибки Kyocera FS6500

Ошибки Kyocera FS6525MFP

Ошибки Kyocera FS6530MFP

Ошибки Kyocera FS6700

Ошибки Kyocera FS6900

Ошибки Kyocera FS6950DN

Ошибки Kyocera FS8000CD

Ошибки Kyocera FS8000CN

Ошибки Kyocera FS8100DN

Ошибки Kyocera TASKalfa 180

Ошибки Kyocera TASKalfa 1800

Ошибки Kyocera TASKalfa 1801

Ошибки Kyocera TASKalfa 181

Ошибки Kyocera TASKalfa 205c

Ошибки Kyocera TASKalfa 220

Ошибки Kyocera TASKalfa 2200

Ошибки Kyocera TASKalfa 2201

Ошибки Kyocera TASKalfa 221

Ошибки Kyocera TASKalfa 2420w

Ошибки Kyocera TASKalfa 2460ci

Ошибки Kyocera TASKalfa 2470ci

Ошибки Kyocera TASKalfa 250ci

Ошибки Kyocera TASKalfa 2510i

Ошибки Kyocera TASKalfa 2520i

Ошибки Kyocera TASKalfa 255

Ошибки Kyocera TASKalfa 2550ci

Ошибки Kyocera TASKalfa 2551ci

Ошибки Kyocera TASKalfa 2552ci

Ошибки Kyocera TASKalfa 2553ci

Ошибки Kyocera TASKalfa 255b

Ошибки Kyocera TASKalfa 255c

Ошибки Kyocera TASKalfa 265ci

Ошибки Kyocera TASKalfa 300ci

Ошибки Kyocera TASKalfa 300i

Ошибки Kyocera TASKalfa 3010i

Ошибки Kyocera TASKalfa 3011i

Ошибки Kyocera TASKalfa 305

Ошибки Kyocera TASKalfa 3050ci

Ошибки Kyocera TASKalfa 3051ci

Ошибки Kyocera TASKalfa 306ci

Ошибки Kyocera TASKalfa 307ci

Ошибки Kyocera TASKalfa 308ci

Ошибки Kyocera TASKalfa 3212i

Ошибки Kyocera TASKalfa 3252ci

Ошибки Kyocera TASKalfa 3253ci

Ошибки Kyocera TASKalfa 3500i

Ошибки Kyocera TASKalfa 3501i

Ошибки Kyocera TASKalfa 350ci

Ошибки Kyocera TASKalfa 3510i

Ошибки Kyocera TASKalfa 3511i

Ошибки Kyocera TASKalfa 3550ci

Ошибки Kyocera TASKalfa 3551ci

Ошибки Kyocera TASKalfa 3552ci

Ошибки Kyocera TASKalfa 3553ci

Ошибки Kyocera TASKalfa 356ci

Ошибки Kyocera TASKalfa 358ci

Ошибки Kyocera TASKalfa 4002i

Ошибки Kyocera TASKalfa 4003i

Ошибки Kyocera TASKalfa 400ci

Ошибки Kyocera TASKalfa 4012i

Ошибки Kyocera TASKalfa 4052ci

Ошибки Kyocera TASKalfa 4053ci

Ошибки Kyocera TASKalfa 406ci

Ошибки Kyocera TASKalfa 408ci

Ошибки Kyocera TASKalfa 420i

Ошибки Kyocera TASKalfa 4500i

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Ошибки Kyocera TASKalfa 4820w

Ошибки Kyocera TASKalfa 5002i

Ошибки Kyocera TASKalfa 5003i

Ошибки Kyocera TASKalfa 500ci

Ошибки Kyocera TASKalfa 5052ci

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Ошибки Kyocera TASKalfa 508ci

Ошибки Kyocera TASKalfa 520i

Ошибки Kyocera TASKalfa 5500i

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Ошибки Kyocera TASKalfa 550c

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Ошибки Kyocera TASKalfa 5551ci

Ошибки Kyocera TASKalfa 6002i

Ошибки Kyocera TASKalfa 6003i

Ошибки Kyocera TASKalfa 6052ci

Ошибки Kyocera TASKalfa 6053ci

Ошибки Kyocera TASKalfa 620

Ошибки Kyocera TASKalfa 6500i

Ошибки Kyocera TASKalfa 6501i

Ошибки Kyocera TASKalfa 650c

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Ошибки Kyocera TASKalfa 6551ci

Ошибки Kyocera TASKalfa 7002i

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Ошибки Kyocera TASKalfa 7353ci

Ошибки Kyocera TASKalfa 750c

Ошибки Kyocera TASKalfa 7550ci

Ошибки Kyocera TASKalfa 7551ci

Ошибки Kyocera TASKalfa 8000i

Ошибки Kyocera TASKalfa 8001i

Ошибки Kyocera TASKalfa 8002i

Ошибки Kyocera TASKalfa 8003i

Ошибки Kyocera TASKalfa 8052ci

Ошибки Kyocera TASKalfa 820

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Code

7001

Toner motor K error

When the toner motor K is driven, the

toner motor K over-current detection sig-

nal is detected continuously for 50 times

(5 s) at 100 ms intervals.

7002

Toner motor C error

When the toner motor C is driven, the

toner motor C over-current detection sig-

nal is detected continuously for 50 times

(5 s) at 100 ms intervals.

7003

Toner motor M error

When the toner motor M is driven, the

toner motor M over-current detection sig-

nal is detected continuously for 50 times

(5 s) at 100 ms intervals.

Contents

Causes

Check procedures/corrective measures

Defective harness

Reinsert the connector. Also check for conti-

between toner

nuity within the connector harness. If none,

motor K and

remedy or replace the harness.

engine PWB

(YC22), or

improper connec-

tor insertion.

Defective drive

Check if the gears rotate smoothly. If not,

transmission

grease the bushings and gears. Check for

system of the toner

broken gears and replace if any.

motor K.

Defective toner

Replace the toner motor K.

motor K.

Defective engine

Replace the engine PWB (See page 1-5-

PWB.

29).

Defective harness

Reinsert the connector. Also check for conti-

between toner

nuity within the connector harness. If none,

motor C and

remedy or replace the harness.

engine PWB

(YC24), or

improper connec-

tor insertion.

Defective drive

Check if the gears rotate smoothly. If not,

transmission

grease the bushings and gears. Check for

system of the toner

broken gears and replace if any.

motor C.

Defective toner

Replace the toner motor C.

motor C.

Defective engine

Replace the engine PWB (See page 1-5-

PWB.

29).

Defective harness

Reinsert the connector. Also check for conti-

between toner

nuity within the connector harness. If none,

motor M and

remedy or replace the harness.

engine PWB

(YC25), or

improper connec-

tor insertion.

Defective drive

Check if the gears rotate smoothly. If not,

transmission

grease the bushings and gears. Check for

system of the toner

broken gears and replace if any.

motor M.

Defective toner

Replace the toner motor M.

motor M.

Defective engine

Replace the engine PWB (See page 1-5-

PWB.

29).

Remarks

2K8

1-4-15

  • Code: C0030
  • Description: FAX PWB system error
  • Causes: The FAX processing cannot be continued due to the FAX firmware error.
  • Remedy: 1 Resetting the main power The FAX PWB does not operate properly. Turn off the power switch and the main power switch. After 5s passes, reinstall the FAX PWB, and then turn on the main power switch and the power switch. FAX Installation Guide
    2 Firmware upgrade The firmware is faulty. Reinstall the FAX firmware. Firmware Update
    3 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Installation Guide
  • Code: C0070
  • Description: FAX PWB incompatible detection error
  • Causes: Abnormal detection of FAX control PWB incompatibility in the initial communication with the FAX control PWB, any normal communication command is not transmitted.
  • Remedy: 1 Checking the FAX PWB The incompatible FAX PWB is installed. Install the FAX PWB for the applicable model. FAX Installation Guide
    2 Firmware upgrade The FAX firmware is faulty. Reinstall the FAX firmware. Firmware Update
    3 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0080
  • Description: Optional Printing System device error
    Object: Printing System 15 (for 120V, 230V and 240V)
  • Causes: It is not possible to read FPGA version of the Fiery relay PWB.
  • Remedy: 1 Resetting the main power The EEPROM does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Replacing the Fiery relay PWB Fiery relay PWB for the other models is installed. Replace Fiery relay PWB which is applicable to the model.
    3 Firmware upgrade The version of the main firmware is not supported for the fiery relay PWB. Upgrade the main firmware to the latest version. Firmware Update
    4 Checking the Fiery relay PWB The connector is not connected properly. The wire or the PWB is faulty. Clean the terminal of the connectors connecting on the Fiery relay PWB and reconnect the connector. If the wire is faulty, repair or replace it. If not resolved, replace the Fiery relay PWB.
    5 Checking the main PWB The connector is not connected properly. The wire or the PWB is faulty. Clean the terminal of the connector (for Fiery relay PWB) on the main PWB and reconnect. If it is not improved, replace Fiery relay PWB.
  • Code: C0100
  • Description: Backup memory device error
  • Causes: An abnormal status is output from the flash memory.
  • Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB. Service Manual — Section 8 ‘PWBs’ Detaching and reattaching the Main PWB
  • Code: C0120
  • Description: MAC address data error
  • Causes: The MAC address data is incorrect.
  • Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the MAC address The MAC address is incorrect. Replace the main PWB when the MAC address is not indicated on the network status page. Detaching and reattaching the Main PWB
  • Code: C0130
  • Description: Backup memory reading/writing error
  • Causes: The reading or writing into the flash memory is unavailable.
  • Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB. Service Manual — Section 8 ‘PWBs’ Detaching and reattaching the Main PWB
  • Code: C0150
  • Description: Engine EEPROM reading / writing error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The EEPROM on the engine PWB does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the EEPROM on the engine PWB The EEPROM is not properly attached. Reattach the EEPROM on the engine PWB. Detaching and reattaching the EEPROM
    3 Replacing the EEPROM The EEPROM is faulty. Replace the EEPROM on the engine PWB and execute U169. Next, compare the setting value of the maintenance report outputted at U000 in advance and the setting value of the maintenance report outputted after replacing EEPROM, and change the setting value which are different. (Related maintenance mode: U053, U100, U101, U106, U140, U161, U464, U252, U034, U065, U066, U067) Finally, execute the following maintenance mode in the following order. U119 (for the 35 ppm or faster models) > U411 > U469 [Auto] > U140 [AC Calib] > U140 [Calibration] > U412 [Normal Mode] (for the 35 ppm or faster models) > U464 [Calib] (for the 35 ppm or faster models) > U410 > U155 [Calibration] (The empty waste toner box is necessary.) Maintenanc e Mode List Detaching and reattaching the Engine PWB
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C0160
  • Description: EEPROM data error
  • Causes: The data read from the EEPROM is judged as abnormal.
  • Remedy: 1 Resetting the main power The EEPROM on the engine PWB does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Executing U021 The storage data in the EEPROM on the engine PWB is faulty. Execute U021. Maintenanc e Mode List
    3 Replacing the EEPROM The EEPROM is faulty. Replace the EEPROM on the engine PWB and execute U169. Next, compare the setting value of the maintenance report outputted at U000 in advance and the setting value of the maintenance report outputted after replacing EEPROM, and change the setting value which are different. (Related maintenance mode: U053, U100, U101, U106, U140, U161, U464, U252, U034, U065, U066, U067) Finally, execute the following maintenance mode in the following order. U119 (for the 35 ppm or faster models) > U411 > U469 [Auto] > U140 [AC Calib] > U140 [Calibration] > U412 [Normal Mode] (for the 35 ppm or faster models) > U464 [Calib] (for the 35 ppm or faster models) > U410 > U155 [Calibration] (The empty waste toner box is necessary.) Maintenanc e Mode List Detaching and reattaching the Engine PWB
  • Code: C0170
  • Description: Charger count error
  • Causes: The values in one of the billing counters, life counter or the scanner counter mismatch between the main side and the engine side.
  • Remedy: 1 Checking the machine serial No. of the main PWB The main PWB for the different main unit is installed. Check the machine serial Nos of MAIN and ENGINE at U004, and install the correct main PWB if the MAIN No. differs. Maintenanc e Mode List Detaching and reattaching the Main PWB
    2 Checking the machine serial No. in the EEPROM on the engine PWB The EEPROM for the different main unit is installed. Check the machine serial Nos of MAIN and ENGINE at U004, and install the correct EEPROM on the engine PWB if the ENGINE machine serial No. differs. Maintenanc e Mode List Detaching and reattaching the EEPROM
    3 Checking the main PWB The main PWB is faulty. When the MAIN machine serial No. differs at U004, replace the main PWB and execute U004. Maintenanc e Mode List Detaching and reattaching the Main PWB
    4 Checking the EEPROM on the engine PWB The EEPROM is faulty. If the machine serial number in the engine PWB is different at U004, reattach the EEPROM on the engine PWB. If not repairing, replace the EEPROM and execute U169. Next, compare the setting value of the maintenance report outputted at U000 in advance and the setting value of the maintenance report outputted after replacing EEPROM, and change the setting value which are different. (Related maintenance mode: U053, U100, U101, U106, U140, U161, U464, U252, U034, U065, U066, U067) Finally, execute the following maintenance mode in the following order. U119 (for the 35 ppm or faster models) > U411 > U469 [Auto] > U140 [AC Calib] > U140 [Calibration] > U412 [Normal Mode] (for the 35 ppm or faster models) > U464 [Calib] (for the 35 ppm or faster models) > U410 > U155 [Calibration] (The empty waste toner box is necessary.) Maintenanc e Mode List Detaching and reattaching the Engine PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C0180
  • Description: Machine serial number mismatch
  • Causes: The machine serial Nos. in the main PWB and the EEPROM on the engine PWB mismatch when turning the power on.
  • Remedy: 1 Checking the machine serial No. of the main PWB The main PWB for the different main unit is installed. Check the machine serial Nos of MAIN and ENGINE at U004, and install the correct main PWB if the MAIN No. differs. Maintenanc e Mode List Detaching and reattaching the Main PWB
    2 Checking the machine serial No. in the EEPROM on the engine PWB The EEPROM for the different main unit is installed. Check the machine serial Nos of MAIN and ENGINE at U004, and install the correct EEPROM on the engine PWB if the ENGINE machine serial No. differs. Maintenanc e Mode List Detaching and reattaching the EEPROM
    3 Replacing the main PWB The main PWB is faulty. When the MAIN machine serial No. differs at U004, replace the main PWB and execute U004. Maintenanc e Mode List Detaching and reattaching the Main PWB
    4 Checking the EEPROM on the engine PWB The EEPROM is faulty. If the machine serial number in the engine PWB is different at U004, reattach the EEPROM on the engine PWB. If not repairing, replace the EEPROM and execute U169. Next, compare the setting value of the maintenance report outputted at U000 in advance and the setting value of the maintenance report outputted after replacing EEPROM, and change the setting value which are different. (Related maintenance mode: U053, U100, U101, U106, U140, U161, U464, U252, U034, U065, U066, U067) Finally, execute the following maintenance mode in the following order. U119 (for the 35 ppm or faster models) > U411 > U469 [Auto] > U140 [AC Calib] > U140 [Calibration] > U412 [Normal Mode] (for the 35 ppm or faster models) > U464 [Calib] (for the 35 ppm or faster models) > U410 > U155 [Calibration] (The empty waste toner box is necessary.) Maintenanc e Mode List Detaching and reattaching the Engine PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C0350
  • Description: Panel PWB communication error (Electronic volume I2C communication error)
  • Causes: Since NACK was received during the I2C communication, the retry was repeated 5 times and the initial command was transmitted, and then the retry was repeated 5 times again. After that, NACK was also received.
  • Remedy: 1 Resetting the main power The operation of the operation panel main PWB is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Operation panel main PWB — Main PWB • Operation panel main PWB — NFC PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the operation panel main PWB The operation panel main PWB is faulty. Replace the panel main PWB. Detaching and reattaching the Operation Panel Main PWB
    4 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    5 Replacing the NFC PWB The NFC PWB is faulty. Replace the NFC PWB.
  • Code: C0361
  • Description: Communication error between the engine CPU and the feed ASIC
  • Causes: The communication with the feed ASIC failed 10 times continuously.
  • Remedy: Resetting the main power The engine PWB does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C0362
  • Description: Communication error between the engine CPU and the feed ASIC
  • Causes: The communication with the feed ASIC failed 10 times continuously.
  • Remedy: 1 Resetting the main power The engine PWB does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C0640
  • Description: Hard Disk error
  • Causes: The HDD cannot be accessed properly.
  • Remedy: 1 Releasing the partial operation The partial operation is executed. Execute resetting the partial operation at U906. Maintenanc e Mode List
    2 (For the main unit without the HDD) Replacing the SSD When installing the 8GB HDD mistakenly, it tries to access the HDD. At that time, the error appears if the HDD is not installed in the main units . Replace with the correct 32GB SSD. Detaching and reattaching the SSD
    3 (When abnormal sounds occur) Replacing the HDD The HDD is faulty. Replace the HDD when the abnormal sounds are from the HDD. Detaching and reattaching the HDD
    4 Checking the connection The connector is not connected properly. The SATA cable or the wire is faulty. Reconnect the below SATA cable and connector of the wire. If there is no continuity, replace SATA cable or the wire. • HDD — main PWB Service Manual — Section 8 ‘PWBs’
    5 Initializing the HDD The HDD storage data is faulty. Execute U024 [FULL] (HDD Format). Maintenanc e Mode List
    6 Replacing the HDD The HDD is faulty. Replace the HDD. Detaching and reattaching the HDD
    7 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0650
  • Description: FAX image storage pair-check error
  • Causes: The SSD (FAX image storage) used in other main unit is installed.
  • Remedy: 1 Checking the SSD The SSD (FAX image storage) already used in other unit is installed. When installing the SSD used once, replace with the correct SSD. Detaching and reattaching the SSD
    2 Executing U671 The SSD (FAX image storage) already used in other unit is reused without executing U671. When installing the SSD used once, execute U671 [FAX Data CLEAR]. Maintenanc e Mode List
    3 Reinstalling the SSD The SSD (FAX image storage) is not properly installed. Be sure to install the SSD to the connector on the main PWB. Detaching and reattaching the SSD
    4 Replacing the SSD The SSD (FAX image storage) is faulty. Replace with the new SSD. Detaching and reattaching the SSD
    5 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0660
  • Description: Hard Disk encryption key error
  • Causes: 1. The encrypted password entered when replacing the main PWB is not correct.
    2. Install SSD which is used in the other machine.
  • Remedy: 1 (When the issue occurs after replacing the main PWB) Executing U004 The encryption key after replacing the main PWB is faulty. Execute U004 when this issue occurs after replacing the main PWB. Maintenanc e Mode List
    2 Replacing the HDD (abnormal sounds) The HDD is faulty. Replace the HDD when the abnormal sounds are from the HDD. Detaching and reattaching the HDD
    3 Checking the connection The connector is not connected properly. The SATA cable or the wire is faulty. Reconnect the below SATA cable and connector of the wire. If there is no continuity, replace SATA cable or the wire. • HDD — main PWB Service Manual — Section 8 ‘PWBs’
    4 Initializing the HDD The HDD storage data is faulty. Execute U024 [FULL] (HDD Format). Maintenanc e Mode List
    5 Replacing the HDD The HDD is faulty. Replace the HDD. Detaching and reattaching the HDD
    6 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0670
  • Description: Hard Disk overwriting error
  • Causes: The area that cannot be properly overwritten exists in a part of the HDD.
  • Remedy: 1 Replacing the HDD (abnormal sounds) The HDD is faulty. Replace the HDD when the abnormal sounds are from the HDD. Detaching and reattaching the HDD
    2 Checking the connection The connector is not connected properly. The SATA cable or the wire is faulty. Reconnect the below SATA cable and connector of the wire. If there is no continuity, replace SATA cable or the wire. • HDD — main PWB Service Manual — Section 8 ‘PWBs’
    3 Initializing the HDD The HDD storage data is faulty. Execute U024 [FULL] (HDD Format). Maintenanc e Mode List
    4 Replacing the HDD The HDD is faulty. Replace the HDD. Detaching and reattaching the HDD
    5 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0680
  • Description: SSD error
  • Causes: The SSD cannot be accessed, or the error occurs when accessing to the SSD.
  • Remedy: Checking the SSD (if lit after replacing the SSD) An SSD out of specification is installed. Install the SSD matching the memory capacity specification.
    2 Resetting the main power The SSD is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    3 Reinstalling the SSD The connection with the main PWB is faulty. Reinstall the SSD on the main PWB. Detaching and reattaching the SSD
    4 Initializing the SSD The data stored in the SSD is faulty. Retrieve the SSD storage data at U026, and then initialize the SSD at U024. Maintenanc e Mode List
    5 Replacing the SSD The SSD is faulty. Retrieve the SSD storage data at U026, and then replace the SSD. Maintenanc e Mode List Detaching and reattaching the SSD
    6 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0800
  • Description: Image processing error
  • Causes: The print sequence jam (J010x) was detected 2 times continuously.
  • Remedy: 1 Checking the image data The image data is faulty. When this issue occurs only when handling the certain image data, check if the image data is faulty.
    2 Checking the situation The printing operation of the certain file is faulty. Acquire the job’s log if the phenomenon can be reproduced by specifying the job when the error was detected. Checking Job & Job Operation (Operation Guide — Section 7)
    3 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB. Service Manual — Section 8 ‘PWBs’ Detaching and reattaching the Main PWB
  • Code: C0830
  • Description: FAX PWB flash program area checksum error
  • Causes: The program stored in the flash memory on the FAX PWB is broken so it cannot perform.
  • Remedy: 1 Firmware upgrade The firmware is faulty. Reinstall the FAX firmware. Firmware Update
    2 Resetting the main power The FAX PWB is not connected properly. Turn off the power switch and the main power switch. After 5s passes, reinstall the FAX PWB, and then turn on the main power switch and the power switch. FAX Installation Guide
    3 Initializing the fax The data in the FAX PWB is faulty. Execute U600 to initialize the FAX. Maintenanc e Mode List
    4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Installation Guide
  • Code: C0840
  • Description: RTC error (‘Time for maintenance T’ appears)
  • Causes: <Check at the start up>
    • Setting value of RTC has returned to the past.
    • The power has not turned on more than 5 years.
    • Setting value of RTC is older than 00:01 January 1st, 2000.
    <Check regularly (each 5 minutes) after start up>
    • Setting value of RTC has returned to the past which is older than the time previously checked. After detecting C0840, reset the main power to go into disable function and [Time for Maintenance] is displayed.
  • Remedy: 1 Executing U906 The backup battery on the main PWB is faulty, and so, the RTC settings are erased after unplugging the power cord. Execute U906 and reset the display [Maintenance T]. After that, set the date and time (RTC) through System menu. (It is necessary to perform this process every time when unplug/plug the power cord.) Maintenanc e Mode List Date/Timer/ Energy Saver (Operation Guide — Section 8)
    2 Replacing the main PWB The main PWB is faulty, or the backup battery runs out. The user call regarding C0840 is frequent even if performing the previous treatment, replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C0850
  • Description: TPM security chip error
  • Causes: TPM is not accessible or an access error occurs after installing the security kit
  • Remedy: 1 Reset the main power Main PWB does not operate properly Turn the power switch and main power switch off. Turn the power switch and main power switch on after passing 5s
    2 Upgrading the firmware The firmware version is not the latest Upgrade the firmware to the latest version
    3 Replacing main PWB Main PWB is faulty Replace main PWB
  • Code: C0870
  • Description: PC FAX Image data transmission error
  • Causes: Data was not properly transmitted even if the specified times of retry were made when the large volume data is transmitted between the FAX PWB and the main PWB.
  • Remedy: 1 Resetting the main power The FAX PWB does not operate properly. Turn the power switch and the main power switch off . After 5s passes, reattach the FAX PWB and turn the main power switch and the power switch on. FAX Installation Guide
    2 Initializing the fax The data in the FAX PWB is faulty. Execute U600 to initialize the FAX. Maintenanc e Mode List
    3 Firmware upgrade The FAX firmware is faulty. Upgrade the fax firmware to the latest version. Firmware Update
    4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Installation Guide
    5 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    6 Executing U024 The data stored in the SSD is faulty. Execute U024 [SSD Format]. Maintenanc e Mode List
  • Code: C0920
  • Description: FAX file system error
  • Causes: The backup data could not be stored since the file system of the flash memory is faulty.
  • Remedy: 1 Initializing the fax FAX control values are incorrect Execute U600 to initialize the FAX. Maintenanc e Mode List
    2 Resetting the main power The FAX PWB does not operate properly. Turn off the power switch and the main power switch. After 5s passes, reinstall the FAX PWB, and then turn on the main power switch and the power switch. FAX Installation Guide
    3 Reconnecting the FAX PWB The FAX PWB is not connected properly. Reinstall FAX PWB to Main PWB. FAX Installation Guide
    4 Firmware upgrade The firmware is faulty. Reinstall the FAX firmware. Firmware Update
    5 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Installation Guide
  • Code: C0950
  • Description: FAX job stay error
  • Causes: Print processing of the received FAX could not be executed and the job continues staying.
  • Remedy: 1 Resetting the main power Print processing is not properly executed. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware does not properly activate. Upgrade the main firmware to the latest version. Firmware Update
  • Code: C0980
  • Description: 24V power interruption detection
  • Causes: 1. Detected 24 V power off signal for 1s continuously.
    2. Another service call occurred when passing 100ms after detecting 24V power failure detection signal, and then 24 power supply was recovered.
  • Remedy: 1 Resetting the main power The printing process is not properly executed. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Low voltage PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the low voltage PWB The low voltage PWB is faulty. When the +24V generation from the low voltage PWB is not stable, and it lowers, replace the low voltage PWB. Detaching and reattaching the Low Voltage PWB
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1000
  • Description: MP lift motor error
  • Causes: 1. When the MP lift motor rotates in the descending direction, the MP position sensor does not turn on within 1850ms.
    2. When the MP lift motor rotates in the ascending direction, the MP position sensor does not turn off within 1600ms.
  • Remedy: 1 Checking the MP lift plate The MP lift plate does not operate properly. Repair or replace the MP lift plate on the MP tray when it does not move vertically.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the lift lever The lift lever is not properly attached. Check if the lift lever is vertically shifted by the lift motor cam, or if it has the excessive load. Then, reattach the MP tray. Then, replace the MP tray if it is not fixed.
    4 Checking the drive gear The drive gear to lift up the MP lift plate does not rotate properly. Check if the MP lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Main unit — Paper conveying unit • MP position sensor — Relay connector — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Replacing the MP lift motor The MP lift motor does not operate properly. Replace the MP lift motor.
    7 Checking the MP position sensor The MP position sensor is not attached properly. Reattach MP position sensor.
    8 Replacing the MP position sensor The MP position sensor is faulty. Replace MP position sensor.
    9 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    10 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1010
  • Description: Lift motor 1 error
  • Causes: Five times consecutive detection of any one of the below condition.
    1. Turning on of lift upper limit sensor is not detected even 16s passed after inserting cassette 1.
    2. After turning on lift motor 1, lock signal does not release for 300ms.
    3. After detecting lift upper limit sensor 1 OFF during printing, lift upper limit sensor 1 does not turn on even passing 1s from ascending control.
  • Remedy: 1 Checking the lift plate The lift plate does not operate properly. Repair or replace the lift plate when it does not move vertically.
    2 Checking the drive gear The drive gear to lift up the lift plate does not rotate properly. Check if the lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Lift motor 1 — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Checking lift motor 1 Lift motor 1 is faulty. Check the operation of lift motor 1, and replace it if necessary. Detaching and reattaching the Lift Motor
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Lift upper limit sensor 1 — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Checking lift sensor 1 Lift upper limit sensor 1 is not properly attached, or it is faulty. Reattach lift upper limit sensor 1. Replace it if it is not fixed.
    7 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1020
  • Description: Lift motor 2 error
  • Causes: Five times consecutive detection of any one of the below condition.
    1. Turning on of lift upper limit sensor 2 is not detected even 16s passed after inserting cassette 2.
    2. After turning on lift motor 2, lock signal does not release for 300ms.
    3. After detecting lift upper limit sensor 2 OFF during printing, lift upper limit sensor 2 does not turn on even passing 1s from ascending control.
  • Remedy: 1 Checking the lift plate The lift plate does not operate properly. Repair or replace the lift plate when it does not move vertically.
    2 Checking the drive gear The drive gear to lift up the lift plate does not rotate properly. Check if the lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Lift motor 2 — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Checking lift motor 2 Lift motor 2 is faulty. Check the operation of lift motor 2, and replace it if necessary. Detaching and reattaching the Lift Motor
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Lift upper limit sensor 2 — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Checking lift sensor 2 Lift upper limit sensor 2 is not properly attached, or it is faulty. Reattach lift upper limit sensor 2. Then, replace it if it is not fixed.
    7 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1030
  • Description: PF lift motor 1 error (Paper Feeder) Object: Paper feeder or Large capacity feeder
  • Causes: [PF-7100 (Paper Feeder)] 1. PF lift upper limit sensor 1 does not turn on after passing 16s since cassette 3 was inserted. 2. The lock-up signal is not released for 300ms after turning on of PF lift motor 1. 3. Since PF lift sensor 1 turned off during printing, PF lift upper limit sensor 1 does not turn on after passing 1s from the ascend control.
    [PF-7110 (Large Capacity Feeder)] 1. PF lift upper limit sensor 1 does not turn on after passing 24s since cassette 3 was inserted. 2. PF lift upper limit sensor 1 does not turn on after passing 3s from the ascend control when starting printing.
  • Remedy: 1 Checking the PF lift plate The PF lift plate does not operate properly. Repair or replace the PF lift plate when it does not move vertically.
    2 Checking the drive gear The drive gear to lift up the PF lift plate does not rotate properly. Check if the PF lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift motor 1 — PF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking PF lift motor 1 PF lift motor 1 is faulty. Replace PF lift motor 1.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift upper limit sensor 1 — PF PWB Service Manual — Section 8 ‘PWBs’
    6 Checking PF lift sensor 1 PF lift upper limit sensor 1 is not properly attached, or it is faulty. Reattach PF lift upper limit sensor 1. Then, replace it if it is not fixed.
    7 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
  • Code: C1040
  • Description: PF lift motor 2 error (Paper Feeder) Object: Paper feeder or Large capacity feeder
  • Causes: [PF-7100 (Paper Feeder)]
    1. PF lift upper limit sensor 2 does not turn on after passing 16s since cassette 4 is inserted.
    2. The lock-up signal is not released for 300ms after turning on of PF lift motor 2.
    3. Since PF lift sensor 2 turned off during printing, PF lift upper limit sensor 2 does not turn on after passing 1s from the ascend control.
    [PF-7110 (Large Capacity Feeder)]
    1. PF lift upper limit sensor 2 does not turn on after passing 24s since cassette 4 is inserted.
    2. PF lift upper limit sensor 2 does not turn on after passing 3s from the ascend control when starting printing.
  • Remedy: 1 Checking the PF lift plate The PF lift plate does not operate properly. Repair or replace the PF lift plate when it does not move vertically.
    2 Checking the drive gear The drive gear to lift up the PF lift plate does not rotate properly. Check if the PF lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift motor 2 — PF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing PF lift motor 2 PF lift motor 2 is faulty. Replace PF lift motor 2.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift upper limit sensor 2 — PF PWB Service Manual — Section 8 ‘PWBs’
    6 Checking PF lift sensor 2 PF lift upper limit sensor 2 is not properly attached, or it is faulty. Reattach PF lift upper limit sensor 2. Then, replace it if it is not fixed.
    7 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
  • Code: C1140
  • Description: PF lift motor error (Side feeder) Object: Side feeder
  • Causes: 1. The PF lift upper limit sensor does not turn on even 30s passed after inserting cassette 5.
    2. The lock signal is detected for 200ms continuously during the PF lift motor operation.
    3. When start printing, the PF lift upper limit sensor does not detect on even passing 2s from ascending control.
  • Remedy: 1 Checking the PF lift plate The PF lift plate does not operate properly. Repair or replace the PF lift plate when it does not move vertically.
    2 Checking the drive gear The drive gear to lift up the PF lift plate does not rotate properly. Check if the PF lift plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift motor — PF PWB Service Manual — Section 8 ‘PWBs’ 4 Checking the PF lift motor The PF lift motor is faulty. Replace the PF lift motor.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF lift upper limit sensor — PF PWB Service Manual — Section 8 ‘PWBs’
    6 Checking the PF lift upper limit sensor The PF lift upper limit sensor is not properly attached, or it is faulty. Reattach the PF lift upper limit sensor. Then, replace it if it is not fixed.
    7 Checking the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
  • Code: C1750
  • Description: AK unit type mismatch error
  • Causes: Connection of the AK for other model is detected when checking the DF installation status
  • Remedy: 1 Checking AK unit AK-7100 is installed. Install AK=7100.
  • Code: C1800
  • Description: Paper Feeder communication error Object: Paper feeder or Large capacity feeder
  • Causes: 1. Communication error was detected 10 times continuously.
    2. The ready signal is not notified from the paper feeder or the large capacity feeder within 6s after communication starts.
  • Remedy: 1 Checking the connection The cable is not properly connected to the main unit. Reconnect the cable into the main unit.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1820
  • Description: Side feeder communication error Object: Side feeder
  • Causes: 1. Communication error was detected 10 times continuously.
    2. The ready signal is not notified from the side feeder within 6s after communication starts.
  • Remedy: 1 Checking the connection It is not properly connected to the main unit. Reconnect to the main unit.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF PWB — PF PWB (Side feeder) Service Manual — Section 9 ‘Wiring diagram (Options connection)’
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the PF PWB (side feeder) The PF PWB (side feeder) is faulty. Replace PF PWB (side feeder). Detaching and reattaching the PF PWB (Side feeder)
    5 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1900
  • Description: Paper Feeder EEPROM error Object: Paper feeder or Large capacity feeder
    For internal count
  • Causes: The writing data and the reading data mismatch 3 times continuously when writing.
  • Remedy: 1 Reconnecting the paper feeder It is not properly connected to the main unit. Reinstall the paper feeder to the main unit. PF-7100 Installation Guide PF-7110 Installation Guide
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Reconnect the connector of the wire between the engine PWB and the PF PWB. If the wire is faulty, repair or replace it. If not resolved, replace the PF PWB. Service Manual — Section 8 ‘PWBs’ Detaching and reattaching the PF PWB
    3 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1920
  • Description: Side feeder EEPROM error
    Object: Side feeder
    For internal count
  • Causes: The writing data and the reading data mismatch 3 times continuously when writing.
  • Remedy: 1 Reconnecting the side feeder It is not properly connected to the main unit. Reinstall the side feeder to the main unit. PF-7120 Installation Guide
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Reconnect the connector of the wire between the engine PWB and the PF PWB (side feeder). If the wire is faulty, repair or replace it. If not resolved, replace the PF PWB. Service Manual — Section 9 ‘Wiring diagram (Options connection)’
    3 Replacing the PF PWB The PF PWB is faulty. Replace PF PWB (side feeder). Detaching and reattaching the PF PWB (Side feeder)
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C1950
  • Description: Primary transfer unit EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times
  • Remedy: 1 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Primary transfer unit — Transfer PWB • Transfer PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the primary transfer unit The primary transfer unit is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    4 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2102
  • Description: Developer motor CY error
    Object: 35ppm or faster models
  • Causes: 1. After the developer motor CY drive starts, the ready signal does not reach to L level even passing 2s.
    2. After the developer motor CY stabilizes, the ready signal shows H level for 2s continuously.
  • Remedy: 1 Checking the developer drive section The developer drive section is faulty. Replace the developer unit drive gear if it is faulty.
    2 Checking the developer roller The developer roller is faulty. Check if the developer roller rotates, and replace the developer unit if not rotating. Detaching and reattaching the Developer Unit
    3 Checking the drive parts The drive from the developer motor is not transmitted properly. Execute U030 [DLP(CMY)] to check the developer motor CY operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Developer motor CY — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Checking the developer motor The developer motor is faulty. Reattach developer motor CY. If not repaired, replace it.
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2103
  • Description: Developer motor CMY error / Developer motor M error
    Remarks: Developing motor CMY: 32/25ppm models, Developing motor M: 35ppm or faster models
  • Causes: 1. After the developer motor CMY drive or the developer motor M drive start, the ready signal does not reach to L level even passing 2s.
    2. After the developer motor CMY or the developer motor M stabilize, the ready signal shows H level for 2s continuously.
  • Remedy: 1 Checking the developer drive section The developer drive section is faulty. Replace the developer unit drive gear if it is faulty.
    2 Checking the developer roller The developer roller is faulty. Check if the developer roller rotates, and replace the developer unit if not rotating. Detaching and reattaching the Developer Unit
    3 Checking the drive parts The drive from the developer motor is not transmitted properly. Execute U030 [DLP(CMY)] to check the developer motor CMY operation or the developer motor M operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Developer motor CMY — Feed image PWB(For the 25/32ppm models) • Developer motor M — Feed image PWB(For the 35ppm or faster models) • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Checking the developer motor The developer motor is faulty. Reattach developer motor CMY or developer motor M. If not repaired, replace them. Maintenanc e Mode List
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2201
  • Description: Drum motor K steady-state error
  • Causes: The ready signal is at the H level for 2s continuously after drum motor K becomes stable.
  • Remedy: 1 Checking drum motor K The drum motor K drive is faulty. Execute U030 [Drum K] to check the drum motor K operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum motor K — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Checking drum unit K The drum unit is faulty. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    4 Checking drum motor K Drum motor K is faulty. Replace drum motor K.
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2203
  • Description: Drum motor CMY steady-state error
  • Causes: The ready signal is at the H level for 2s continuously after drum motor CMY become stable.
  • Remedy: Checking drum motor CMY The drum motor CMY drive are faulty. Execute U030 [Drum COL] to check the drum motor CMY operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum motor CMY — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing drum motor CMY Drum motor CMY are faulty. Replace drum motor CMY.
    4 Checking the drum unit and the developer unit The drum unit is faulty. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2300
  • Description: Fuser motor error
  • Causes: The ready signal is at the H level for 1.5s continuously during the fuser motor drive.
  • Remedy: 1 Checking the fuser motor The fuser motor operation is faulty. Execute U030 [Fuser] to check the fuser motor operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Fuser motor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the fuser unit The fuser unit is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    4 Replacing the fuser drive unit The fuser drive unit is faulty. Replace the fuser drive unit. Detaching and reattaching the Fuser Drive Unit
    5 Replacing the fuser motor The fuser motor is faulty. Replace the fuser motor. Detaching and reattaching the Fuser Drive Unit
    6 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2500
  • Description: Feed motor error
  • Causes: The ready signal is not at the L level after passing 2s since the feed motor drive was started.
  • Remedy: 1 Checking the feed motor The operation of the feed motor is faulty. Execute U030 [Feed] to check the feed motor operation. Check if the drive gears rotate and have no excessive load, and apply the grease (EM-LP, Part no: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Feed motor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the feed motor The feed motor is faulty. Replace the feed motor.
    4 Replacing the feed drive unit The feed drive unit is faulty. Replace feed drive unit. Detaching and reattaching the Feed Drive Unit
    5 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    6 Firmware upgrade The firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    8 Replacing the feed image PWB The power can’t be supplied to the feed drive PWB. Replace the feed image PWB.
  • Code: C2600
  • Description: PF feed motor error
  • Causes: The ready signal is not at the L level (stable rotation) after passing 1s since the PF feed motor drive started.
  • Remedy: 1 Checking the PF feed motor The PF feed motor is not properly connected, or it is faulty. Execute U247 [2PF] or [LCF] > [Motor On] to check the paper feed operation. If the PF feed motor does not operate properly, reconnect the connector of the motor. Check if the PF feed roller and the drive gears rotate smoothly and have no excessive load, apply the grease (EM-50LP, Part no.: 7BG010009H) to the sliding section and repair the related parts so that they can rotate smoothly. Maintenanc e Mode List
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PF feed motor — PF PWB • PF PWB — Engine PWB (Drawer connector between the paper feeder and the main unit) Service Manual — Section 8 ‘PWBs’
    3 Replacing the PF feed motor The PF feed motor is faulty. Replace the PF feed motor. Detaching and reattaching the PF Drive Unit
    4 Firmware upgrade The engine firmware or the PF firmware is faulty. Upgrade the engine firmware and the PF firmware to the latest version. Firmware Update
    5 Replacing the PF PWB The PF PWB is faulty. Replace the PF PWB. Detaching and reattaching the PF PWB
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2700
  • Description: Primary / secondary transfer release error
  • Causes: The belt release motor was pressed or drove to the releasing direction, and releasing or pressing condition continued for 2.3s.
  • Remedy: 1 Checking the drive parts The drive transmission of the belt release motor is faulty. Execute U030 [Belt Lift]. If the motor drive is not transmitted, repair the drive transmission parts. Maintenanc e Mode List 2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Belt release motor — Feed image PWB • Belt release sensor — Feed image PWB • Feed image PWB — Engine PWB • Feed image PWB — Low voltage PWB Service Manual — Section 8 ‘PWBs’
    3 Checking the belt release sensor The belt release sensor comes off. Reattach or replace the belt release sensor.
    4 Checking the belt release motor The belt release motor is not operated correctly. Reattach or replace the belt release motor.
    5 Replacing the primary transfer unit The primary transfer roller liftup drive section is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit 6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    9 Replacing the low voltage PWB The power is not supplied from the low voltage PWB to the belt release motor. If the power is not supplied from the low voltage PWB, replace the low voltage PWB. Detaching and reattaching the Low Voltage PWB
  • Code: C2760
  • Description: Developer K/Transfer belt motor startup error
  • Causes: 1. FG pulse of the motor does not enter for 2s continuously during driving the motor.
    2. FG pulse exceeding 4000rpm was detected 10 times continuously.
    3. The condition where the target speed +/-6.25% of the motor deviated continued for 2s.
  • Remedy: 1 Replacing the primary transfer unit The transfer belt is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    2 Checking the developer K/ transfer belt motor drive transmission section The drive transmission of the developer K/transfer belt motor is faulty. Execute U030 [DLP(K)] to check the excessive load is not applied to the drive gears, roller and the belt by rotating them. After that, clean the drive section of the primary transfer unit. Maintenanc e Mode List
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Developer K/Transfer belt motor — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the developer K/ transfer belt motor The developer K/transfer belt motor is faulty. Reattach the developer K/transfer belt motor and reconnect the connector. If not repaired, replace it.
    5 Firmware upgrade The firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update 6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2810
  • Description: Waste toner motor error
  • Causes: 1. The lock detection signal shows L level during driving the waste toner motor. (0.5s x 3 times retry continuously with 2ms cycle)
    2. Low level of the lock detection signal can not detect within 50ms from the switching REM signal L to H. (3 times retry with 50ms cycle)
  • Remedy: 1 Checking the waste toner box The waste toner box is not properly installed. Reinstall the waste toner box. Replacing the Waste Toner Box (Operation Guide — Section 10)
    2 Checking the waste toner motor The waste toner motor does not operate properly. Execute U030 [Toner Recovery] to check whether the waste toner motor operation has an excessive load or not. Then, repair it if necessary. Maintenanc e Mode List
    3 Checking the drive gear The drive gear does not rotate properly. Check if the excessive load is not applied to the drive gears by rotating the gears, and clean the drive gears and the bushing, etc. 4 Replacing the waste toner box The waste toner box is faulty. Replace the waste toner box. Replacing the Waste Toner Box (Operation Guide — Section 10)
    5 Checking the waste toner motor The waste toner motor is not properly connected. Reinsert the connector into the waste toner motor.
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Waste toner motor — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C2840
  • Description: Belt cleaning motor error
  • Causes: 1. FG pulse of the motor does not enter for 2s continuously during driving the motor.
    2. FG pulse exceeding 4000rpm was detected 10 times continuously.
    3. The condition where the target speed +/-6.25% of the motor deviated continued for 2s.
  • Remedy: 1 Checking the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    2 Cleaning the primary transfer cleaning section The roller in the primary transfer cleaning section does not rotate properly. Remove the waste toner remaining in the primary transfer cleaning section.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Belt cleaning motor — Transfer PWB • Transfer PWB — Transfer connect PWB • Transfer connect PWB — Feed image PWB • Feed image PWB — Feed drive PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the belt cleaning motor The belt cleaning motor does not operate properly. Reattach the belt cleaning motor. If not repaired, replace it.
    5 Replacing the primary transfer unit The cleaning drive section of the primary transfer unit is faulty. Transfer PWB or transfer connection PWB is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB 8 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
  • Code: C3100
  • Description: Carriage error
  • Causes: The position of the home position sensor (turning on / off) mismatches when turning the main power on or finishing the original scan by the scanner.
  • Remedy: 1 Unlocking the primary mirror unit The primary mirror unit is not unlocked. Unlock the primary mirror unit. Unlocking the scanner mirror frame
    2 Removing foreign objects and applying the grease A load is applied to the scanner movement. Confirm the operation of the mirror unit by executing U073 or moving by manual operation. If there is a heavy load on it, check whether there are any foreign objects on the scanner wire or the scanner wire drum, and then clean it. After that, apply grease (PG-671) on the scanner rail. Maintenanc e Mode List
    3 Checking the scanner wires The scanner wires are dirty or come off. Clean the scanner wire or reattach it. Detaching and reattaching the Scanner Wires
    4 Checking the scanner motor The scanner motor is faulty. Reattach the scanner motor and reconnect the connector. If not repaired, replace it.
    5 Checking the belt tension of the scanner motor A load is applied to the scanner movement since the belt tension is improper. Adjust the scanner motor belt tension properly.
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Scanner motor — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Checking the home position sensor The home position sensor is not properly attached. Reattach the home position sensor.
    8 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Home position sensor — Engine PWB Service Manual — Section 8 ‘PWBs’
    9 Checking the home position sensor The home position sensor is faulty. Replace the home position sensor.
    10 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update 11 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3200
  • Description: LED lamp startup error
  • Causes: 1. The white reference data acquired by lighting the lamp at the initial operation is at the specified value or less. (2 or more LED lamps do not light.)
    2. The black level adjustment of the A/D convertor on the CCD PWB is faulty. (The image contrast is faulty due to the transmission error of the A/D conversion data signal or clock.)
  • Remedy: 1 Checking the LED lamp The LED lamp does not light. Check if the LED lamp lights by executing U061 [CCD]. If it does not light, replace the lamp unit and execute U411 [Table(ChartA)]. Detaching and reattaching the Lamp Unit Maintenanc e Mode List
    2 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • CCD PWB — Engine PWB • LED PWB — CCD PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the lens unit The CCD PWB is faulty. Replace the lens unit and execute U411. Detaching and reattaching the Lens Unit Maintenanc e Mode List
    4 Firmware upgrade The firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3210
  • Description: CIS lamp error
    Object: Dual scan DP
  • Causes: The input data did not exceed threshold for 5s when lighting the CIS lamp.
  • Remedy: 1 Releasing the partial operation The partial operation is executed. Execute resetting the partial operation at U906. Maintenanc e Mode List
    2 Checking the DPCIS The CIS lamp does not light. Check if the CIS lamp lights by executing U061 [CIS]. If it does not light, replace the DPCIS and execute U091 and U411. Detaching and reattaching the DP CIS Maintenanc e Mode List
    3 Cleaning the CIS glass and the CIS roller The CIS glass or the CIS roller is dirty. Clean the CIS glass and the CIS roller. 4 Checking the DPSHD PWB The DPSHD PWB is not properly connected. Reconnect the DPSHD PWB to the DPCIS.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP SHD PWB — DP PWB • DP PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Firmware upgrade The firmware is faulty. Upgrade the DP firmware to the latest version. Firmware Update
    7 Replacing the DPSHD PWB The DPSHD PWB is faulty. Replace the DPSHD PWB.
    8 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3300
  • Description: CCD AGC error
  • Causes: The brightness of the LED lamps is darker (1 LED lamp does not turn on) or brighter than anticipated when executing the AGC process for the CCD lamp.
  • Remedy: 1 Checking the LED lamp The LED lamp is broken. Check if the LED lamp lights by executing U061 [CCD]. If it does not light, replace the lamp unit and execute U411 [Table(ChartA)]. Detaching and reattaching the Lamp Unit Maintenanc e Mode List
    2 Cleaning the backside of the contact glass The white reference sheet is dirty. Clean the white reference sheet at the backside of the contact glass. Detaching and reattaching the Contact Glass (Section 4 ‘Detaching and reattaching the Lens unit’)
    3 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • CCD PWB — Engine PWB • LED PWB — CCD PWB Service Manual — Section 8 ‘PWBs’
    4 Firmware upgrade The firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the lens unit The CCD PWB is faulty. Replace the lens unit and execute U411. Detaching and reattaching the Lens Unit Maintenanc e Mode List
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3310
  • Description: CIS AGC error
    Object: Dual scan DP
    For internal count
  • Causes: The DPCIS could not acquire the correct white reference value while AGC process was executed.
  • Remedy: 1 Releasing the partial operation The partial operation is executed. Execute resetting the partial operation at U906. Maintenanc e Mode List
    2 Cleaning the CIS glass and the CIS roller The CIS glass or the CIS roller is dirty. Clean the CIS glass and the CIS roller.
    3 Firmware upgrade The firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the DPSHD PWB The DPSHD PWB is not properly connected. Reconnect the DPSHD PWB to the DPCIS.
    5 Replacing the DPSHD PWB The DPSHD PWB is faulty. Replace the DPSHD PWB.
    6 Replacing the DPCIS The DPCIS is faulty. Replace the DPCIS, and then execute U091 and U411. Detaching and reattaching the DP CIS Maintenanc e Mode List
    7 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3500
  • Description: Communication error between the scanner and the ASIC
  • Causes: The communication error was detected during the communication between the scanner ASIC and the engine CPU.
  • Remedy: 1 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3600
  • Description: Scanner sequence error
  • Causes: The program internal processing error of the scanner sequence occurs.
  • Remedy: 1 Executing U021 The memory operation is faulty. Execute U021. Maintenanc e Mode List
    2 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C3800
  • Description: AFE error
  • Causes: When writing, writing data and reading data does not match 3 times continuously. There is no response from AFE for 100ms.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • CCD PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the lens unit The CCD PWB is faulty. Replace the lens unit and execute U411. Detaching and reattaching the Lens Unit Maintenanc e Mode List
    3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4001
  • Description: Polygon motor synchronization error
  • Causes: The ready signal is not at the L level after passing 15s since the polygon motor drive was started.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the polygon motor The polygon motor does not rotate properly. Check the rotation sound of the polygon motor, and reattach or replace the LSU if it does not rotate properly. Detaching and reattaching the LSU
    3 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update 4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4011
  • Description: Polygon motor steady-state error
  • Causes: The ready signal is at the H level for 15s continuously after the polygon motor drive becomes stable.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the polygon motor The polygon motor does not rotate properly. Check the rotation sound of the polygon motor, and reattach or replace the LSU if it does not rotate properly. Detaching and reattaching the LSU
    3 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4101
  • Description: BD initialization error
  • Causes: The BD signal was not detected for 1s after driving the polygon motor.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the LSU The BD sensor or the laser diode is faulty. Reinstall or replace the LSU while paying attention to the static electricity. Detaching and reattaching the LSU
    3 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4201
  • Description: BD steady-state error
  • Causes: The BD signal is not detected during the laser lighting.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the LSU The BD sensor or the laser diode is faulty. Reinstall or replace the LSU while paying attention to the static electricity. Detaching and reattaching the LSU
    3 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4600
  • Description: LSU cleaning motor error
  • Causes: The LSU cleaning motor lock-up was detected, or the motor continued to be shifted in the same direction for 8s or more.
  • Remedy: 1 Executing the Laser Scanner Cleaning The LSU cleaning drive gear and the cleaning pad have the load and so they are not shifted smoothly. Execute Laser Scanner Cleaning. Adjust/ Maintenanc e Menu (Operation Guide — Section 10)
    2 Cleaning the LSU cleaning drive gear and the cleaning pad The LSU cleaning drive gear and the cleaning pad have the load and so they are not shifted smoothly. Clean the LSU cleaning drive gear and the cleaning pad.
    3 Replacing the LSU The LSU cleaning drive gear, cleaning wire or the cleaning pad are deformed, or they are faulty. Replace the LSU. Detaching and reattaching the LSU
    4 Checking the connection The connector or FFC is not connected properly. Or, the wire or FFC is faulty. Clean the following wire connector terminal and FFC terminal, then reconnect the connector and the FFC. If the wire or FFC is faulty, replace them. • LSU cleaning motor — APC PWB (LSU) • APC PWB (LSU) — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Checking the LSU cleaning motor The LSU cleaning motor is not properly attached, or it is faulty. Reattach the LSU cleaning motor and reconnect the connector. If not repaired, replace it.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4701
  • Description: VIDEO ASIC device error 1
  • Causes: Communication with VIDEO ASIC has fails 10 times continuously. (After writing to VIDEO ASIC, read from same address and the error occurred that the value does not match)
  • Remedy: 1 Resetting the main power The ASIC operation on the engine is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the main firmware and the engine firmware to the latest version. Firmware Update
    3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4702
  • Description: VIDEO ASIC device error 2
    Object: 35ppm or faster models
  • Causes: Communication with VIDEO ASIC (2) has fails 10 times continuously. (After writing to VIDEO ASIC, read from same address and the error occurred that the value does not match)
  • Remedy: 1 Resetting the main power The ASIC operation on the engine is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the main firmware and the engine firmware to the latest version. Firmware Update
    3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C4801
  • Description: LSU type mismatch error
  • Causes: The LSU mismatches with the main unit.
  • Remedy: 1 Checking the LSU The different type LSU is installed. Install the correct LSU. Detaching and reattaching the LSU
    2 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the LSU The APC PWB is faulty. Replace the LSU. Detaching and reattaching the LSU
  • Code: C5101
  • Description: Main high voltage error K
    Object: 35ppm or faster models
  • Causes: 1. The flowing current when Vpp is varied in three stages during Vpp adjustment is measured and the difference between the zero current value and the current value in the second step is equal to or less than the reference value.2. Even if Vpp [C] is applied, the detected Idc is too small. (Less than 5uA)
  • Remedy: 1 Reinstalling the main high voltage PWB Proper current does not flow as the MC roller contact point of the main high voltage PWB is not properly contacted. Reinstall the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    2 Checking the drum unit and the developer unit The drum or the drum screw is not rotated properly due to the excessive load. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    3 Replacing drum motor K Drum motor K is faulty. Replace drum motor K.
    4 Checking the main charger unit Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the main charger unit. Clean the high voltage contact of the main charger unit, and apply conductive grease to the roller shaft. Detaching and reattaching the Main Charger Unit
    5 Replacing the main charger unit Proper current does not flow as the high voltage contact point of the main charger unit is deformed or damaged. Replace the main charger unit and execute U930. Detaching and reattaching the Main Charger Unit Maintenanc e Mode List
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Main high voltage PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the main high voltage PWB The main high voltage PWB is faulty. Replace the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5102
  • Description: Main high voltage error C
    Object: 35ppm or faster models
  • Causes: When measuring the inflow electric current changing Vpp to 3 steps during the Vpp adjustment, the gap between the 0 electric current value and the 2nd electric current value is the standard value or less.
  • Remedy: 1 Reinstalling the main high voltage PWB Proper current does not flow as the MC roller contact point of the main high voltage PWB is not properly contacted. Reinstall the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    2 Checking the drum unit and the developer unit The drum or the drum screw is not rotated properly due to the excessive load. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    3 Checking drum motor CMY Drum motor CMY does not rotate properly due to the excessive load. Replace drum motor CMY.
    4 Checking the main charger unit Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the main charger unit. Clean the high voltage contact of the main charger unit, and apply conductive grease to the roller shaft. Detaching and reattaching the Main Charger Unit
    5 Replacing the main charger unit Proper current does not flow as the high voltage contact point of the main charger unit is deformed or damaged. Replace the main charger unit and execute U930. Detaching and reattaching the Main Charger Unit Maintenanc e Mode List
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Main high voltage PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the main high voltage PWB The main high voltage PWB is faulty. Replace the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5103
  • Description: Main high voltage error M
    Object: 35ppm or faster models
  • Causes: When measuring the inflow electric current changing Vpp to 3 steps during the Vpp adjustment, the gap between the 0 electric current value and the 2nd electric current value is the standard value or less.
  • Remedy: 1 Reinstalling the main high voltage PWB Proper current does not flow as the MC roller contact point of the main high voltage PWB is not properly contacted. Reinstall the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    2 Checking the drum unit and the developer unit The drum or the drum screw is not rotated properly due to the excessive load. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    3 Checking drum motor CMY Drum motor CMY does not rotate properly due to the excessive load. Replace drum motor CMY.
    4 Checking the main charger unit Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the main charger unit. Clean the high voltage contact of the main charger unit, and apply conductive grease to the roller shaft. Detaching and reattaching the Main Charger Unit
    5 Replacing the main charger unit Proper current does not flow as the high voltage contact point of the main charger unit is deformed or damaged. Replace the main charger unit and execute U930. Detaching and reattaching the Main Charger Unit Maintenanc e Mode List
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Main high voltage PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the main high voltage PWB The main high voltage PWB is faulty. Replace the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5104
  • Description: Main high voltage error Y
    Object: 35ppm or faster models
  • Causes: When measuring the inflow electric current changing Vpp to 3 steps during the Vpp adjustment, the gap between the 0 electric current value and the 2nd electric current value is the standard value or less.
  • Remedy: 1 Reinstalling the main high voltage PWB Proper current does not flow as the MC roller contact point of the main high voltage PWB is not properly contacted. Reinstall the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    2 Checking the drum unit and the developer unit The drum or the drum screw is not rotated properly due to the excessive load. Check if the drum or the drum screw is rotated manually, and replace the drum unit if not rotated. Detaching and reattaching the Drum Unit
    3 Checking drum motor CMY Drum motor CMY does not rotate properly due to the excessive load. Replace drum motor CMY.
    4 Checking the main charger unit Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the main charger unit. Clean the high voltage contact of the main charger unit, and apply conductive grease to the roller shaft. Detaching and reattaching the Main Charger Unit
    5 Replacing the main charger unit Proper current does not flow as the high voltage contact point of the main charger unit is deformed or damaged. Replace the main charger unit and execute U930. Detaching and reattaching the Main Charger Unit Maintenanc e Mode List
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Main high voltage PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the main high voltage PWB The main high voltage PWB is faulty. Replace the main high voltage PWB. Detaching and reattaching the Main High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5131
  • Description: Primary transfer high voltage error K
  • Causes: When adjusting the feedback, the detected electric current value exceeds the upper limit or is less than the lower limit, or the adjustment result is 300V or less or is 2,900V or more.
  • Remedy: 1 Checking the developer K/ transfer belt motor The developer K/transfer belt motor is faulty. Execute U030 [DLP(K)] to check the developer K/transfer belt motor operation. If the developer K/transfer belt motor does not operate properly, reattach it and reconnect the connector. If not repaired, replace it. Maintenanc e Mode List
    2 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the high voltage contacts of the primary transfer roller firmly connect. Detaching and reattaching the Primary Transfer Unit
    3 Replacing the primary transfer unit The primary transfer belt does not properly rotate. Replace the primary transfer unit when the primary transfer belt does not rotate manually. Detaching and reattaching the Primary Transfer Unit
    4 Checking the high voltage contact Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the primary transfer roller. Clean the high voltage contact of the primary transfer roller, and apply conductive grease to the roller shaft.
    5 Reinstalling the transfer high voltage PWB Proper current does not flow as high voltage contact of the transfer high voltage PWB is faulty. Reinstall the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer high voltage PWB — Engine PWB • Transfer high voltage PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the transfer high voltage PWB The transfer high voltage PWB is faulty. Replace the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Correcting the drum drive spring Although the drum drive spring normally presses the drum drive coupling in the main drive unit to the drum unit side, if it shifts in the direction where it cannot press the coupling and cannot return, the drum drive coupling does not engage the coupling in the drum unit. Correct the drum drive spring of the main drive unit when the drum does not rotate due to the engagement failure with the drum drive couplings. Detaching and reattaching the Main Drive Unit
    10 Checking the drum unit and the developer unit There is no grounding for the drum unit. Apply conductive grease on the drum drive shaft of the main drive unit. If the drum drive shaft does not contact with the earth plate inside of the drum, replace the drum unit. Detaching and reattaching the Main Drive Unit Detaching and reattaching the Drum Unit
    11 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    12 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    13 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5132
  • Description: Primary transfer high voltage error C
  • Causes: When adjusting the feedback, the detected electric current value exceeds the upper limit or is less than the lower limit, or the adjustment result is 300V or less or is 2,900V or more.
  • Remedy: 1 Checking the developer K/ transfer belt motor The developer K/transfer belt motor is faulty. Execute U030 [DLP(K)] to check the developer K/transfer belt motor operation. If the developer K/transfer belt motor does not operate properly, reattach it and reconnect the connector. If not repaired, replace it. Maintenanc e Mode List
    2 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the high voltage contacts of the primary transfer roller firmly connect. Detaching and reattaching the Primary Transfer Unit
    3 Replacing the primary transfer unit The primary transfer belt does not properly rotate. Replace the primary transfer unit when the primary transfer belt does not rotate manually. Detaching and reattaching the Primary Transfer Unit
    4 Checking the high voltage contact Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the primary transfer roller. Clean the high voltage contact of the primary transfer roller, and apply conductive grease to the roller shaft.
    5 Reinstalling the transfer high voltage PWB Proper current does not flow as high voltage contact of the transfer high voltage PWB is faulty. Reinstall the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer high voltage PWB — Engine PWB • Transfer high voltage PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the transfer high voltage PWB The transfer high voltage PWB is faulty. Replace the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Correcting the drum drive spring Although the drum drive spring normally presses the drum drive coupling in the main drive unit to the drum unit side, if it shifts in the direction where it cannot press the coupling and cannot return, the drum drive coupling does not engage the coupling in the drum unit. Correct the drum drive spring of the main drive unit when the drum does not rotate due to the engagement failure with the drum drive couplings. Detaching and reattaching the Main Drive Unit
    10 Checking the drum unit and the developer unit There is no grounding for the drum unit. Apply conductive grease on the drum drive shaft of the main drive unit. If the drum drive shaft does not contact with the earth plate inside of the drum, replace the drum unit. Detaching and reattaching the Main Drive Unit Detaching and reattaching the Drum Unit
    11 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    12 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    13 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5133
  • Description: Primary transfer high voltage error M
  • Causes: When adjusting the feedback, the detected electric current value exceeds the upper limit or is less than the lower limit, or the adjustment result is 300V or less or is 2,900V or more.
  • Remedy: 1 Checking the developer K/ transfer belt motor The developer K/transfer belt motor is faulty. Execute U030 [DLP(K)] to check the developer K/transfer belt motor operation. If the developer K/transfer belt motor does not operate properly, reattach it and reconnect the connector. If not repaired, replace it. Maintenanc e Mode List
    2 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the high voltage contacts of the primary transfer roller firmly connect. Detaching and reattaching the Primary Transfer Unit
    3 Replacing the primary transfer unit The primary transfer belt does not properly rotate. Replace the primary transfer unit when the primary transfer belt does not rotate manually. Detaching and reattaching the Primary Transfer Unit
    4 Checking the high voltage contact Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the primary transfer roller. Clean the high voltage contact of the primary transfer roller, and apply conductive grease to the roller shaft.
    5 Reinstalling the transfer high voltage PWB Proper current does not flow as high voltage contact of the transfer high voltage PWB is faulty. Reinstall the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer high voltage PWB — Engine PWB • Transfer high voltage PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the transfer high voltage PWB The transfer high voltage PWB is faulty. Replace the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Correcting the drum drive spring Although the drum drive spring normally presses the drum drive coupling in the main drive unit to the drum unit side, if it shifts in the direction where it cannot press the coupling and cannot return, the drum drive coupling does not engage the coupling in the drum unit. Correct the drum drive spring of the main drive unit when the drum does not rotate due to the engagement failure with the drum drive couplings. Detaching and reattaching the Main Drive Unit
    10 Checking the drum unit and the developer unit There is no grounding for the drum unit. Apply conductive grease on the drum drive shaft of the main drive unit. If the drum drive shaft does not contact with the earth plate inside of the drum, replace the drum unit. Detaching and reattaching the Main Drive Unit Detaching and reattaching the Drum Unit
    11 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    12 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB. 13 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C5134
  • Description: Primary transfer high voltage error Y
  • Causes: When adjusting the feedback, the detected electric current value exceeds the upper limit or is less than the lower limit, or the adjustment result is 300V or less or is 2,900V or more.
  • Remedy: 1 Checking the developer K/ transfer belt motor The developer K/transfer belt motor is faulty. Execute U030 [DLP(K)] to check the developer K/transfer belt motor operation. If the developer K/transfer belt motor does not operate properly, reattach it and reconnect the connector. If not repaired, replace it. Maintenanc e Mode List
    2 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the high voltage contacts of the primary transfer roller firmly connect. Detaching and reattaching the Primary Transfer Unit
    3 Replacing the primary transfer unit The primary transfer belt does not properly rotate. Replace the primary transfer unit when the primary transfer belt does not rotate manually. Detaching and reattaching the Primary Transfer Unit
    4 Checking the high voltage contact Proper current does not flow as the foreign objects, etc. adheres to the high voltage contact point of the primary transfer roller. Clean the high voltage contact of the primary transfer roller, and apply conductive grease to the roller shaft.
    5 Reinstalling the transfer high voltage PWB Proper current does not flow as high voltage contact of the transfer high voltage PWB is faulty. Reinstall the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    6 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer high voltage PWB — Engine PWB • Transfer high voltage PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    7 Replacing the transfer high voltage PWB The transfer high voltage PWB is faulty. Replace the transfer high voltage PWB. Detaching and reattaching the Transfer High Voltage PWB
    8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    9 Correcting the drum drive spring Although the drum drive spring normally presses the drum drive coupling in the main drive unit to the drum unit side, if it shifts in the direction where it cannot press the coupling and cannot return, the drum drive coupling does not engage the coupling in the drum unit. Correct the drum drive spring of the main drive unit when the drum does not rotate due to the engagement failure with the drum drive couplings. Detaching and reattaching the Main Drive Unit
    10 Checking the drum unit and the developer unit There is no grounding for the drum unit. Apply conductive grease on the drum drive shaft of the main drive unit. If the drum drive shaft does not contact with the earth plate inside of the drum, replace the drum unit. Detaching and reattaching the Main Drive Unit Detaching and reattaching the Drum Unit
    11 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    12 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    13 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6000
  • Description: IH heating error 1
  • Causes: After warm-up is started, the center thermistor does not reach 100°C / 212°F even 60s passed. Or, during the warm-up, specified temperature (Ready display temperature) is not detected even 420s passed after center thermistor reached 100°C / 212°F.
  • Remedy: 1 Executing U169 The IH setting mismatches the power supply specification. Set the destination same as the voltage of the IH PWB at U169. Maintenanc e Mode List
    2 Removing foreign material There are foreign objects between the fuser unit and the IH unit. Or, the foreign objects are adhered on the fuser belt. If there are foreign objects between the fuser unit and the IH unit, or on the fuser belt, remove them. After that, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    3 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB • IH unit — IH PWB • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Replacing the fuser unit The temperature cannot be detected properly due to the broken thermostat or the thermistor error. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    8 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    9 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH unit — IH PWB • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    10 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
  • Code: C6020
  • Description: Center thermistor high temperature error
  • Causes: The center thermistor detects 245°C / 473°F or more for 1s.
  • Remedy: Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the fuser unit The temperature cannot be detected properly due to the thermistor error, etc. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6030
  • Description: Center thermistor broken
  • Causes: The center thermistor temperature is detected at less than 41°C / 104°F for 1s when the edge thermistor detects 100°C / 212°F or more during the warm-up.
  • Remedy: 1 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit The temperature is not properly detected due to the broken wire or the thermistor error in the fuser unit. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6050
  • Description: Center thermistor low temperature error
  • Causes: The center thermistor detected less than 80°C / 176°F for 1s during printing.
  • Remedy: 1 Changing the wall outlet The power voltage descends by 10% or more of the rated voltage when printing. Connect the power cord to a different wall outlet if the power supply voltage descends by 10% or more of the rated voltage.
    2 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    3 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    6 Replacing the fuser unit The temperature is not properly detected due to the broken wire or the thermistor error in the fuser unit. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    8 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    9 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    10 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    11 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH unit — IH PWB Service Manual — Section 8 ‘PWBs’
    12 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
  • Code: C6120
  • Description: Press thermistor high temperature error
  • Causes: The press thermistor detected 210°C / 410°F or more for 1s.
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the fuser unit The temperature cannot be detected properly due to the thermistor error, etc. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6130
  • Description: Press thermistor broken
  • Causes: 1. During warm-up, press thermistor detects less than 35°C / 95°F for 60s continuously.
    2. After finishing warm-up, press thermistor detects less than 35°C / 95°F for 10s continuously.
  • Remedy: 1 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit The temperature is not properly detected due to the broken wire or the thermistor error in the fuser unit. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6200
  • Description: IH heating error 2
  • Causes: The detected temperature of the edge thermistor does not reach 80°C / 176°F within 60s after warm-up starts. During the warm-up, the detected temperature of the edge thermistor does not reach the ready display temperature within 420s after reaching 100°C / 212°F.
  • Remedy: 1 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit Correct temperature can’t be detected due to the wire breakage or the thermistor error in the fuser unit. Or, the fuser belt is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    9 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    10 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH unit — IH PWB Service Manual — Section 8 ‘PWBs’
    11 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
  • Code: C6220
  • Description: Edge thermistor high temperature error
  • Causes: The edge thermistor detected 245°C / 473°F or more for 1s.
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the fuser unit Correct temperature can’t be detected due to the wire breakage or the thermistor error in the fuser unit. Or, the fuser belt is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
    8 Reattaching the edge fan motor The edge fan motor is not properly attached. Reattach the edge fan motor. Fan Motors Attachable Direction
  • Code: C6230
  • Description: Edge thermistor broken
  • Causes: The edge thermistor detects less than 41°C / 105.8°F for 1s continuously when the center thermistor detected 100°C / 212°F or more during the warm-up.
  • Remedy: 1 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit The temperature cannot be detected properly due to the heater broken or the thermistor error. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6250
  • Description: Edge thermistor low temperature error
  • Causes: The edge thermistor detected less than 80°C / 176°F for 1s during printing.
  • Remedy: 1 Removing foreign material There is foreign material between the fuser unit and the IH unit. Or, foreign material adheres on the heat roller. Remove foreign objects if they are on between the fuser unit and the IH unit, or on the heat roller. Then, reinstall the fuser unit. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit The temperature cannot be detected properly due to the heater broken or the thermistor error. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    9 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    10 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH unit — IH PWB Service Manual — Section 8 ‘PWBs’
    11 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
  • Code: C6320
  • Description: Middle thermistor high temperature error
  • Causes: The middle thermistor detected 245°C / 473°F or more for 1s.
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the fuser unit The temperature is not properly detected due to the wire short-circuit or the thermistor error in the fuser unit. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
    8 Reattaching the edge fan motor The edge fan motor is not properly attached. Reattach the edge fan motor. Fan Motors Attachable Direction
  • Code: C6330
  • Description: Middle thermistor broken
  • Causes: The middle thermistor detects less than 41°C / 105.8°F for 1s continuously when the center thermistor or the edge thermistor detects 100°C / 212°F or more during the warm-up.
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the fuser unit The temperature cannot be detected properly due to the heater broken or the thermistor error. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing the IH unit The IH unit is faulty. Replace the IH unit.
  • Code: C6410
  • Description: Uninstalled fuser unit
  • Causes: The unit identification code is mismatched. The unit for other models is installed.
  • Remedy: 1 Replacing the fuser unit The fuser unit for other models is installed. Install the fuser unit for the applicable models. Detaching and reattaching the Fuser Unit
    2 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    3 Firmware upgrade The firmware is faulty. Reinstall the engine firmware. Firmware Update
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the fuser unit The fuser unit is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6600
  • Description: Fuser belt rotation error
  • Causes: The belt rotation pulse is not input for 1.8s continuously.
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Replacing the fuser unit The fuser unit parts such as the fuser belt, the belt rotation detecting system, or the belt rotation sensor are faulty Replace the fuser unit. Detaching and reattaching the Fuser Unit
    3 Applying the grease The load increases due to the lack of grease on the bushing or the gears for the fuser motor. Execute U030 [Fuser] to check the fuser motor operation. If the fuser motor does not rotate smoothly, apply the grease (EM-50LP, Part no.: 7BG010009H) to the bushings or the gears. Maintenanc e Mode List
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Fuser motor — Feed drive PWB • Feed drive PWB — Engine PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    8 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    9 Replacing the fuser drive gear The fuser drive gear is faulty. Replace the fuser drive gear.
  • Code: C6610
  • Description: Fuser pressure release sensor error
  • Causes: 1. The fuser pressure release sensor does not turn off even after 3s passed from instructing to reduce the fuser pressure of the fuser pressure release motor or to move the JAM processing position.
    2. The fuser pressure release sensor does not turn on even after 6s passed from instructing to add the fuser pressure of the fuser pressure release motor.
    3. The lock signal of the fuser pressure release motor became Low for 200ms. (However, when shifting to JAM process, stop the fuser pressure release motor only and not service call turns on in the area from the stop position 500ms before to the stop position.)
  • Remedy: 1 Reinstalling the fuser unit The foreign objects adhere on the drawer connection terminal of the fuser unit. Or, the drawer connector is not inserted completely. Clean the drawer connection terminal of the fuser unit. Check the pin of the drawer connector is not bent, and replace the fuser unit if it is bent. If the pin is normal, reinstall the fuser unit so that the drawer connector is securely connected. Detaching and reattaching the Fuser Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Execute U030 [Fuser Release]. If the fuser pressure release motor does not operate properly, reconnect the connectors of the following wires. If there is not continuity, replace the wire. • Fuser pressure release motor — Feed drive PWB • Feed drive PWB — Engine PWB • Drawer connector of the fuser unit — Feed image PWB • Feed image PWB — Engine PWB • Feed image PWB — Feed drive PWB Maintenanc e Mode List Service Manual — Section 8 ‘PWBs’
    3 Replacing the fuser unit The fuser unit is faulty at the fuser pressure release mechanism or the fuser pressure release sensor . Replace the fuser unit. Detaching and reattaching the Fuser Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB. 6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the fuser pressure release motor The fuser pressure release motor is faulty. Replace the fuser pressure release motor.
    9 Replacing the gear in the fuser pressure releasing system at the main unit The gear of the fuser pressure releasing mechanism at the main unit is faulty. Replace the gears in the fuser pressure releasing mechanism at the main unit.
  • Code: C6620
  • Description: IH core motor rotation error
    Object: 35ppm or faster models
  • Causes: 1. When detecting the home position, the IH position sensor does not turn on within 5s after the IH core motor is driven under the condition of the IH position sensor off.
    2. When detecting the home position, the IH position sensor does not turn off and on within 5s after the IH core motor is driven under the condition of the IH position sensor on.
    3. When relocating the home position for the small size paper, the IH position sensor does not turn off within the predetermined pulse after the IH core motor is driven under the condition of the IH position sensor on.
  • Remedy: 1 Checking the IH unit The IH unit connector is not connected properly. Check if the connector pins of the IH unit do not bend. If the pins bend, fix them. Next, reinstall the IH unit so that the connector firmly connects.
    2 Checking the IH positioning sensor The IH positioning sensor is not properly attached. Reattach the IH positioning sensor.
    3 Cleaning the IH positioning sensor The IH positioning sensor cannot detect properly since it is dirty. Clean the IH positioning sensor.
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH core motor (IH unit) — Feed drive unit • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the IH unit The IH positioning sensor or the IH core motor is faulty. Replace the IH unit.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6740
  • Description: IH PWB high temperature error (IGBT2)
  • Causes: The IGBT temperature acquired from the power microprocessor detected is 115°C / 239°F or more for 1s continuously.
  • Remedy: 1 Checking the IH PWB fan motor The connection of the IH PWB fan motor, or the IH PWB fan motor is faulty. Execute U037 [IH PWB] and check the operation of the fan motor of the IH PWB. If it is not operating, move to the step2 [connect fan motor of the IH PWB]. If it is operating, move to the step3 [replace fan motor of the IH PWB].
    2 Connecting the IH PWB fan motor The connector of the IH PWB fan motor wire is not inserted securely. Reinsert the connector of the IH PWB fan motor.
    3 Replacing the IH PWB fan motor The IH PWB fan motor is faulty. Replace the IH PWB fan motor. Fan Motors Attachable Direction
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6760
  • Description: Fuser IH input excessive electric current error
  • Causes: The input current obtained from the power microcomputer was 20A (100/120V) or 10A (200V) or more continued for 200ms.
  • Remedy: 1 Checking the fuser unit The fuser belt is faulty. Detach the fuser unit and check if the fuser belt is not faulty. If there is any damage, replace the fuser unit. Detaching and reattaching the Fuser Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    5 Replacing the fuser unit The fuser unit is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6770
  • Description: IH low power error
  • Causes: After fuser unit is started to heat, fuser rotation pulse signal can’t be detected continuously for 1s. Or, no electric power is supplied to IH fuser unit. (Electric power detection on the IH PWB detected a set electric power value of 30% or less for a predetermined time.)
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • IH unit — IH PWB • IH PWB — Engine PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the fuser unit drawer connectors The fuser unit drawer connectors are not properly connected. If foreign objects adhere on the drawer pins of each drawer connector, clean the drawer pins. If the drawer pins are deformed, repair or replace it. • In case the drawer pins in the fuser unit are faulty and they cannot be repaired by cleaning and fixing: Replace the fuser unit. • In case the drawer pins in the main unit are faulty and they cannot be repaired by cleaning and fixing: Replace the wire. (Part no.: 302ND4637_). If the drawer pins are not faulty, reinstall the fuser unit into the main unit so that the drawer connectors connect each other firmly. Detaching and reattaching the Fuser Unit
    3 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    7 Checking the cause depending on the input power The input power is improper. Change the input power.
    8 Replacing the IH unit The IH unit is faulty (The coil is broken). Replace the IH unit.
    9 Replacing the fuser unit The belt rotation sensor in the fuser unit is faulty. The thermostat is broken. Replace the fuser unit. Detaching and reattaching the Fuser Unit
  • Code: C6900
  • Description: Edge fan motor error
  • Causes: The lock-up was detected for 20s continuously when driving the fan motor.
  • Remedy: 1 Checking the edge fan motor The connector is not connected properly. The wire is faulty. The fan does not operate as paper size on the MP tray is misdetected. Execute U037 [Fuser Edge] to check the edge fan motor operation. And, check if the paper size on the MP tray is detected properly. If the edge fan motor does not operate properly or the paper size on the MP tray is misdetected, reconnect the connector of the conveying unit (edge fan motor) to the relay connector at the main unit. Maintenanc e Mode List Detaching and reattaching the Right Cover Assy
    2 Correcting the connector pins for connecting the right cover (conveying unit) The connector pin deforms at the machine right side (inside the right cover). Correct the deformed connector pin for connecting the right cover (conveying unit) at the machine right side of the main unit (inside the right cover).
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Edge fan motor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the edge fan motor The edge fan motor is faulty. Replace the edge fan motor. Fan Motors Attachable Direction
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6910
  • Description: Engine firmware unexpected error
  • Causes: 1. The engine stabilization control continued for 1 hour.
    2. The feed motor does not drive even passing 3s or more when driving the drum motor or the developer K/transfer belt motor.
    3. Only the high voltage remote signal turned on under the condition that the drum is stopped.
    4. The main charger bias turned off while the developer bias was on.
  • Remedy: 1 Resetting the main power The power startup delays. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    3 Checking the engine PWB The engine PWB is not properly attached or connected. Retighten the screws securing the engine PWB so that it can ground securely, and reinsert the connectors all the way. Detaching and reattaching the Engine PWB
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6920
  • Description: Exit/IH fan motor error
  • Causes: The lock-up was detected for 20s continuously when driving the fan motor.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Execute U037 [Exit Paper IH Coil]. If the following fan motor does not operate properly, clean the terminal of the connector and reconnect the connector. If there is no continuity, replace the wire. • Exit/IH front fan motor — Feed image PWB • Exit/IH middle fan motor — Feed image PWB • Exit/IH rear fan motor — Feed image PWB • Feed image PWB — Engine PWB Maintenanc e Mode List Service Manual — Section 8 ‘PWBs’
    2 Checking the exit/IH fan motors The exit/IH fan motors do not properly operate. Clean the following fan motors, and remove foreign objects if they adhere on the fan motor. If not repaired after that, replace the fan motor. • Exit/IH front fan motor • Exit/IH middle fan motor • Exit/IH rear fan motor Fan Motors Attachable Direction
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6950
  • Description: IH PWB communication error
  • Causes: 1. Communication between the IH PWB and the engine PWB is not established in the initial communication. (150ms interval x 10 times retries are performed)2. After the initial communication is established, communication between the IH PWB and the engine PWB is not established. (For 500ms)
  • Remedy: 1 Resetting the main power The power startup delays. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the connection The connector is not connected properly. Or, the wire is faulty. (Power supply failure to the IH PWB or communication error by the grounding failure.) Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Low voltage PWB — IH PWB • IH PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Checking the power supply voltage The abnormal electric noise is mixed in the power supply voltage. Plug the power cord into another wall outlet.
    4 Checking the low voltage PWB The fuse on the low voltage PWB is broken. Check the continuity of the fuse (F002) on the low voltage PWB. Then, replace the low voltage PWB if there is no continuity. Detaching and reattaching the Low Voltage PWB
    5 Replacing the IH PWB The IH PWB is faulty. Replace the IH PWB. Detaching and reattaching the IH PWB
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C6980
  • Description: Fuser unit EEPROM error
  • Causes: It is not possible to access the fuser unit EEPROM since it matches one of the following.
    1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing. 2. Data read in
    2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Checking the fuser unit drawer connectors The fuser unit drawer connectors are not properly connected. If foreign objects adhere on the drawer pins of each drawer connector, clean the drawer pins. If the drawer pins are deformed, repair or replace it. • In case the drawer pins in the fuser unit are faulty and they cannot be repaired by cleaning and fixing: Replace the fuser unit. • In case the drawer pins in the main unit are faulty and they cannot be repaired by cleaning and fixing: Replace the wire. (Part no.: 302ND4637_). If the drawer pins are not faulty, reinstall the fuser unit into the main unit so that the drawer connectors connect each other firmly. Detaching and reattaching the Fuser Unit
    2 Replacing the fuser unit The fuser unit is faulty. Replace the fuser unit. Detaching and reattaching the Fuser Unit
    3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    4 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C6990
  • Description: Fuser power source destination error
  • Causes: The information mismatches between the engine backup and the IH PWB.
  • Remedy: 1 Executing U169 The voltage setting at U169 mismatches the voltage of the IH PWB. Set the destination same as the voltage of the IH PWB at U169. Maintenanc e Mode List
    2 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update 3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7001
  • Description: Container motor error
  • Causes: 1. After the container motor is started, ready signal does not turn on even 2s passed.
    2. After the container motor is stabilized, ready signal is kept off 2s continuously.
  • Remedy: 1 Replacing the toner container The toner container locks up and is not rotated. Replace the toner container. Toner Container Replacemen t (Operation Guide — Section 10)
    2 Checking the toner container drive parts The toner container drive parts are not operated properly, or the excessive load is applied to it. Execute U030 [Container Mix] to check the container motor operation. If the container motor does not operate properly, clean the drive gears and the couplings in the container drive unit and apply the grease (EM-50LP, Part no.: 7BG010009H) to them. Maintenanc e Mode List
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Container motor — Feed image PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the toner container motor The toner container motor is faulty. Reattach the container motor and reconnect the connector. If not repaired, replace it. Detaching and reattaching the Container Motor
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7101
  • Description: T/C sensor K error
  • Causes: The output value of T/C sensor is not settled within +100 (Toner is not detected) or -1000 (sensor connector is coming off) against the initial toner setting value which is stored in the EEPROM of the developer unit. And this condition was detected 3 times continuously.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit K so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the drive gear The drive gear for the developer unit K is broken. (The developer screw does not rotate.) Replace the developer unit K drive gear.
    4 Replacing the developer unit Developer unit K (T/C sensor K) is faulty. Replace developer unit K. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7102
  • Description: T/C sensor C error
  • Causes: The output value of T/C sensor is not settled within +100 (Toner is not detected) or -1000 (sensor connector is coming off) against the initial toner setting value which is stored in the EEPROM of the developer unit. And this condition was detected 3 times continuously.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit C so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the drive gear The drive gear for the developer unit C is broken. (The developer screw does not rotate.) Replace the drive gear for developer unit C.
    4 Replacing the developer unit Developer unit C (T/C sensor C) is faulty. Replace the developer unit C. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7103
  • Description: T/C sensor M error
  • Causes: The output value of T/C sensor is not settled within +100 (Toner is not detected) or -1000 (sensor connector is coming off) against the initial toner setting value which is stored in the EEPROM of the developer unit. And this condition was detected 3 times continuously.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit M so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the drive gear The drive gear for the developer unit M is broken. (The developer screw does not rotate.) Replace the drive gear for developer unit M.
    4 Replacing the developer unit Developer unit M (T/C sensor M) is faulty. Replace the developer unit M. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7104
  • Description: T/C sensor Y error
  • Causes: The output value of T/C sensor is not settled within +100 (Toner is not detected) or -1000 (sensor connector is coming off) against the initial toner setting value which is stored in the EEPROM of the developer unit. And this condition was detected 3 times continuously.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit Y so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the drive gear The drive gear for the developer unit Y is broken. (The developer screw does not rotate.) Replace the drive gear for developer unit Y.
    4 Replacing the developer unit Developer unit Y (T/C sensor Y) is faulty. Replace the developer unit Y. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    8 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7200
  • Description: Inner thermistor broken (developer)
  • Causes: Input sampling value of the T/C sensor K (machine inside thermistor) is over the standard value.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit K so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the developer unit Developer unit K (T/C sensor K) is faulty. Replace developer unit K. Detaching and reattaching the Developer Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7210
  • Description: Inner thermistor short-circuited (developer)
  • Causes: Input sampling value of the T/C sensor K (machine inside thermistor) is below the standard value.
  • Remedy: 1 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit K so that the connector firmly connects. Detaching and reattaching the Developer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the developer unit Developer unit K (T/C sensor K) is faulty. Replace developer unit K. Detaching and reattaching the Developer Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7221
  • Description: LSU thermistor broken
  • Causes: The input sampling value of the LSU thermistor is at the reference value or more.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the LSU The LSU (LSU thermistor) is faulty. Replace the LSU. Detaching and reattaching the LSU
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7231
  • Description: LSU thermistor short-circuited
  • Causes: The input sampling value of the LSU thermistor is at the reference value or less.
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the LSU The LSU (LSU thermistor) is faulty. Replace the LSU. Detaching and reattaching the LSU
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7241
  • Description: Belt thermistor broken
  • Causes: The input sampling value of the belt thermistor is at the reference value or more.
  • Remedy: 1 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the connector firmly connects. Detaching and reattaching the Primary Transfer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer PWB — Transfer connect PWB • Transfer connect PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the primary transfer unit The primary transfer unit is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the transfer connection PWB The transfer connection PWB is faulty. Replace the transfer connection PWB.
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7251
  • Description: Belt thermistor short-circuited
  • Causes: The input sampling value of the belt thermistor is at the reference value or less.
  • Remedy: 1 Reinstalling the primary transfer unit The primary transfer unit is not properly installed. Reinstall the primary transfer unit so that the connector firmly connects. Detaching and reattaching the Primary Transfer Unit
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer PWB — Transfer connect PWB • Transfer connect PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the primary transfer unit The primary transfer unit is faulty. Replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the transfer connection PWB The transfer connection PWB is faulty. Replace the transfer connection PWB.
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7301
  • Description: Toner motor K error
  • Causes: Toner supply motor drive stopped and waited for 0.1s when the pulse plate of the toner supply screw could not detect the pulse for 2s during the toner supply motor operation. Even if these operations repeated 3 times continuously, the pulse could not be detected.
  • Remedy: 1 Checking the toner supply drive unit The toner supply screw is not rotated properly due to the excessive load. (The pulse plate is not rotated.) Check if the toner is not clogged inside the toner supply drive unit by rotating the toner supply screw manually. Then, clean the unit if necessary.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Toner motor K — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the toner supply drive unit Toner supply drive unit (toner motor K or toner remaining sensor K) is faulty. Replace the toner supply drive unit. Detaching and reattaching the Toner Supply Drive Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7302
  • Description: Toner motor C error
  • Causes: Toner supply motor drive stopped and waited for 0.1s when the pulse plate of the toner supply screw could not detect the pulse for 2s during the toner supply motor operation. Even if these operations repeated 3 times continuously, the pulse could not be detected.
  • Remedy: 1 Checking the toner supply drive unit The toner supply screw is not rotated properly due to the excessive load. (The pulse plate is not rotated.) Check if the toner is not clogged inside the toner supply drive unit by rotating the toner supply screw manually. Then, clean the unit if necessary.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Toner motor C — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the toner supply drive unit The toner supply drive unit (toner motor C or toner remaining amount sensor C) is faulty. Replace the toner supply drive unit. Detaching and reattaching the Toner Supply Drive Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7303
  • Description: Toner motor M error
  • Causes: Toner supply motor drive stopped and waited for 0.1s when the pulse plate of the toner supply screw could not detect the pulse for 2s during the toner supply motor operation. Even if these operations repeated 3 times continuously, the pulse could not be detected.
  • Remedy: 1 Checking the toner supply drive unit The toner supply screw is not rotated properly due to the excessive load. (The pulse plate is not rotated.) Check if the toner is not clogged inside the toner supply drive unit by rotating the toner supply screw manually. Then, clean the unit if necessary.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Toner motor M — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the toner supply drive unit The toner supply drive unit (toner motor M or toner level sensor M) is faulty. Replace the toner supply drive unit. Detaching and reattaching the Toner Supply Drive Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7304
  • Description: Toner motor Y error
  • Causes: Toner supply motor drive stopped and waited for 0.1s when the pulse plate of the toner supply screw could not detect the pulse for 2s during the toner supply motor operation. Even if these operations repeated 3 times continuously, the pulse could not be detected.
  • Remedy: 1 Checking the toner supply drive unit The toner supply screw is not rotated properly due to the excessive load. (The pulse plate is not rotated.) Check if the toner is not clogged inside the toner supply drive unit by rotating the toner supply screw manually. Then, clean the unit if necessary.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Toner motor Y — Feed image PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the toner supply drive unit The toner supply drive unit (toner motor Y or toner level sensor Y) is faulty. Replace the toner supply drive unit. Detaching and reattaching the Toner Supply Drive Unit
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7320
  • Description: Toner container detection connector error
  • Causes: Disconnection of the toner container detection connector was detected when closing the toner container cover.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Container drive unit (RFID PWB) — Feed image PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the container drive unit The connector is not connected properly, or the wire is faulty. If the connector of the wire inside the container drive unit disconnects, reconnect it. If not repaired, replace the container drive unit.
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7401
  • Description: Developer unit K type mismatch error
    Object: 35ppm or faster models
  • Causes: The unit identification code mismatches. The unit for other model is installed.
  • Remedy: 1 Replacing developer unit K Developer unit K for other models is installed. Install the developer unit K for the applicable models.
    2 Reinstalling the developer unit K Foreign objects adhere to the connector terminals of developer unit K. Or the connector is not inserted completely Clean the terminals of the connector of developer unit K. Check if the connector pins are bent and replace developer unit K if they are bent. Reinstall developer unit K so that the connector firmly connects if the pins are normal.
    3 Firmware upgrade The firmware is faulty. Reinstall the engine firmware.
    4 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDrum/developer relay PWB (YC1)|Feed image PWB (YC-17) EFeed image PWB(YC-28)|Engine PWB(YC-42)
    5 Replacing developer unit K Developer unit K is faulty. Replace developer unit K.
    6 Replacing feed image PWB Feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing engine PWB Engine PWB is faulty. Replace the engine PWB.
  • Code: C7402
  • Description: Developer unit C type mismatch error
    Object: 35ppm or faster models
  • Causes: The unit identification code mismatches. The unit for other model is installed.
  • Remedy: Replacing developer unit C Developer unit C for other models is installed. Install the developer unit C for the applicable models.
    2 Reinstalling the developer unit C Foreign objects adhere to the connector terminals of developer unit C. Or the connector is not inserted completely Clean the terminals of the connector of developer unit C. Check if the connector pins are bent and replace developer unit C if they are bent. Reinstall developer unit C so that the connector firmly connects if the pins are normal.
    3 Firmware upgrade The firmware is faulty. Reinstall the engine firmware.
    4 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDrum/developer relay PWB (YC1)|Feed image PWB (YC-17) EFeed image PWB(YC-28)|Engine PWB(YC-42)
    5 Replacing developer unit C Developer unit C is faulty. Replace developer unit C.
    6 Replacing feed image PWB Feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing engine PWB Engine PWB is faulty. Replace the engine PWB.
  • Code: C7403
  • Description: Developer unit M type mismatch error
    Object: 35ppm or faster models
  • Causes: The unit identification code mismatches. The unit for other model is installed.
  • Remedy: 1 Replacing developer unit M Developer unit M for other models is installed. Install the developer unit M for the applicable models.
    2 Reinstalling the developer unit M Foreign objects adhere to the connector terminals of developer unit M. Or the connector is not inserted completely Clean the terminals of the connector of developer unit M. Check if the connector pins are bent and replace developer unit M if they are bent. Reinstall developer unit M so that the connector firmly connects if the pins are normal.
    3 Firmware upgrade The firmware is faulty. Reinstall the engine firmware.
    4 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDrum/developer relay PWB (YC1)|Feed image PWB (YC-17) EFeed image PWB(YC-28)|Engine PWB(YC-42)
    5 Replacing developer unit M Developer unit M is faulty. Replace developer unit M.
    6 Replacing feed image PWB Feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing engine PWB Engine PWB is faulty. Replace the engine PWB.
  • Code: C7404
  • Description: Developer unit Y type mismatch error
    Object: 35ppm or faster models
  • Causes: The unit identification code mismatches. The unit for other model is installed.
  • Remedy: 1 Replacing developer unit Y Developer unit Y for other models is installed. Install the developer unit Y for the applicable models.
    2 Reinstalling the developer unit Y Foreign objects adhere to the connector terminals of developer unit Y. Or the connector is not inserted completely Clean the terminals of the connector of developer unit Y. Check if the connector pins are bent and replace developer unit Y if they are bent. Reinstall developer unit Y so that the connector firmly connects if the pins are normal.
    3 Firmware upgrade The firmware is faulty. Reinstall the engine firmware.
    4 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDrum/developer relay PWB (YC1)|Feed image PWB (YC-17) EFeed image PWB(YC-28)|Engine PWB(YC-42)
    5 Replacing developer unit Y Developer unit Y is faulty. Replace developer unit Y.
    6 Replacing feed image PWB Feed image PWB is faulty. Replace the feed image PWB.
    7 Replacing engine PWB Engine PWB is faulty. Replace the engine PWB.
  • Code: C7420
  • Description: Uninstalled primary transfer unit
  • Causes: 1. Unit identification code does not match.
    2. Unit for the other model is installed.
  • Remedy: 1 Replacing the primary transfer unit The primary transfer unit for other models is installed. Install the primary transfer unit for the applicable models. Detaching and reattaching the Primary Transfer Unit
    2 Reinstalling the primary transfer unit The connector of the primary transfer unit is not firmly connected. Reinstall the primary transfer unit so that the connector firmly connects. Detaching and reattaching the Primary Transfer Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Transfer connect PWB — Feed image PWB Service Manual — Section 8 ‘PWBs’
    4 Firmware upgrade The firmware is faulty. Reinstall the engine firmware. Firmware Update
    5 Replacing the transfer connection PWB The transfer connection PWB is faulty. Replace the transfer connection PWB.
    6 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7470
  • Description: Toner absorption fan motor error
    Object: 35ppm or faster models
  • Causes: The lock-up was detected for 20s continuously when driving the fan motor.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Toner absorption fan motor — Feed image PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the toner absorption fan motor The fan motor does not rotate properly since it is dirty. Clean the toner absorption fan motor and check if the fan is rotated manually. Then, reattach it. Fan Motors Attachable Direction
    3 Replacing the toner absorption fan motor The toner absorption fan motor is faulty. Execute U037 [Toner] to check the operation. If the toner absorption fan motor does not properly operate, replace it. Fan Motors Attachable Direction
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7480
  • Description: Power source fan motor error
  • Causes: The lock-up was detected for 20s continuously when driving the fan motor.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Power source fan motor — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the power source fan motor The fan motor does not rotate properly since it is dirty. Clean the power source fan motor and check if the fan is rotated manually. Then, reattach it. Fan Motors Attachable Direction
    3 Replacing the power source fan motor The power source fan motor is faulty. Replace the power source fan motor if it does not operate properly when executing U037 [LVU]. Fan Motors Attachable Direction
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7490
  • Description: Exit fan motor error
  • Causes: The lock-up was detected for 20s continuously when driving the fan motor.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Exit fan motor (Fuser drive unit) — Feed drive PWB Service Manual — Section 8 ‘PWBs’
    2 Checking the exit fan motor The fan motor does not rotate properly since it is dirty. Clean the exit fan motor and check if the fan is rotated manually. Then, reattach it. Fan Motors Attachable Direction
    3 Replacing the exit fan motor The exit fan motor is faulty. If the exit fan motor does not operate properly when executing U037 [Exit Cooling], replace it. Fan Motors Attachable Direction
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    5 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7601
  • Description: Front ID sensor error
  • Causes: Dark potential error: Sensor output value (FrontDarkP, FrontDarkS) is less than 0.15V or bigger than 0.80V. Bright potential error: FrontBrightS is less than FrontDarkS or FrontBrightP is less than FrontDarkP+0.5V.
  • Remedy: 1 Cleaning the front ID sensor The front ID sensor is dirty. Clean the front ID sensor surface.
    2 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor — Feed drive PWB • Cleaning solenoid — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the cleaning solenoid The cleaning solenoid is faulty. Replace the cleaning solenoid.
    5 Checking the front ID sensor The front ID sensor is not properly attached. Reattach the front ID sensor.
    6 Replacing the front D sensor The front ID sensor is faulty. Check if the value of U465 [T7 CTD] is fluctuated before and after Calibration, and replace the front ID sensor if it was not fluctuated (uncalibrated). Maintenanc e Mode List
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    9 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    10 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7602
  • Description: Rear ID sensor error
  • Causes: Dark potential error: Sensor output value (RearDarkP, RearDarkS) is less than 0.15V or bigger than 0.80V. Bright potential error: RearBrightS is less than RearDarkS or RearBrightP is less than RearDarkP+0.5V.
  • Remedy: 1 Cleaning the rear ID sensor The rear ID sensor is dirty. Clean the rear ID sensor surface.
    2 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Rear ID sensor — Feed drive PWB • Cleaning solenoid — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the cleaning solenoid The cleaning solenoid is faulty. Replace the cleaning solenoid.
    5 Checking the rear ID sensor The rear ID sensor is not properly attached. Reattach the rear ID sensor.
    6 Replacing the rear ID sensor The rear ID sensor is faulty. Check if the value of U465 [T7 CTD] is fluctuated before and after Calibration, and replace the rear ID sensor if it was not fluctuated (uncalibrated). Maintenanc e Mode List
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the primary transfer unit The transfer failure occurs due to the malfunction of the primary transfer roller lift drive section. Replace the primary transfer unit when the primary transfer press-release gear comes off. Detaching and reattaching the Primary Transfer Unit
    9 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    10 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7611
  • Description: Bias calibration read value error (Black)
  • Causes: The ID sensors cannot properly read the patch density on the primary transfer belt when executing Calibration or the color adjustment.
  • Remedy: 1 Resetting the main power The ID sensor does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 (In case if the printout is light) Checking the developer unit (35ppm or faster models) The developing roller does not contact with the drum. Switch the lock lever up and down and return the developer roller to the setting position. If the developer roller does not return due to the breakage of the lock lever or the failure of the developer roller pressure wire, replace the developer unit. Detaching and reattaching the Developer Unit 3 (In case if the printout is light) Checking the connecting gear of the front cover for the maintenance (25/32PPM models) The developer roller does not contact the drum since it does not properly interlock with the opening and closing operation of the front cover for the maintenance. If the developer roller does not contact the drum even if closing the front cover for the maintenance, reattach the gear connecting to the front cover for the maintenance.
    4 (In case if the printout is light) Cleaning / replacing the LSU. The laser does not output properly from the LSU. Or, LSU dustproof glass is dirty. Clean the LSU. If not repaired, replace it. Detaching and reattaching the LSU
    5 (In case if the printout is light) Improving the condensation of the drum surface (35ppm or faster models) Condensation on the drum surface Execute the drum refresh. And next, set [On] at U339 [Drum heater] to turn on the drum heater. Adjust/ Maintenanc e Menu (Operation Guide — Section 10) Maintenanc e Mode List
    6 Cleaning the ID sensor The ID sensor is dirty. Clean the surface of the front and rear ID sensors.
    7 Executing Calibration The last calibration failed. Execute U464 [Calib]. Maintenanc e Mode List
    8 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    9 Checking the primary transfer unit The primary transfer belt surface is dirty. Clean the surface of the primary transfer belt, or replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    10 Checking the ID sensor The ID sensor is not properly attached, or the connector is not properly connected. Reattach the front and rear ID sensors and reconnect the connectors.
    11 (When the image is too light) Checking the main high voltage PWB / transfer high voltage PWB Proper current does not flow as the main high voltage PWB or the contact point of the transfer high voltage PWB is faulty. Reattach the main high voltage PWB and the transfer high voltage PWB.
    12 (When the image is too light) Checking the drum unit / developer unit / LSU The parts for the drum unit, developer unit and LSU is dirty or worn out. In case if the image is too light, clean the drum unit, developer unit and the LSU. Or, replace them. Maintenanc e parts replacement procedures
    13 Firmware upgrade The firmware is not the latest version. Upgrade the firmware to the latest version. Firmware Update
    14 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor and Rear ID sensor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    15 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    16 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7612
  • Description: Bias calibration read value error (Cyan)
  • Causes: The ID sensors cannot properly read the patch density on the primary transfer belt when executing Calibration or the color adjustment.
  • Remedy: 1 Resetting the main power The ID sensor does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 (In case if the printout is light) Checking the developer unit (35ppm or faster models) The developing roller does not contact with the drum. Switch the lock lever up and down and return the developer roller to the setting position. If the developer roller does not return due to the breakage of the lock lever or the failure of the developer roller pressure wire, replace the developer unit. Detaching and reattaching the Developer Unit
    3 (In case if the printout is light) Checking the connecting gear of the front cover for the maintenance (25/32PPM models) The developer roller does not contact the drum since it does not properly interlock with the opening and closing operation of the front cover for the maintenance. If the developer roller does not contact the drum even if closing the front cover for the maintenance, reattach the gear connecting to the front cover for the maintenance.
    4 (In case if the printout is light) Cleaning / replacing the LSU. The laser does not output properly from the LSU. Or, LSU dustproof glass is dirty. Clean the LSU. If not repaired, replace it. Detaching and reattaching the LSU
    5 (In case if the printout is light) Improving the condensation of the drum surface (35ppm or faster models) Condensation on the drum surface Execute the drum refresh. And next, set [On] at U339 [Drum heater] to turn on the drum heater. Adjust/ Maintenanc e Menu (Operation Guide — Section 10) Maintenanc e Mode List
    6 Cleaning the ID sensor The ID sensor is dirty. Clean the surface of the front and rear ID sensors.
    7 Executing Calibration The last calibration failed. Execute U464 [Calib]. Maintenanc e Mode List
    8 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    9 Checking the primary transfer unit The primary transfer belt surface is dirty. Clean the surface of the primary transfer belt, or replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    10 Checking the ID sensor The ID sensor is not properly attached, or the connector is not properly connected. Reattach the front and rear ID sensors and reconnect the connectors.
    11 (When the image is too light) Checking the main high voltage PWB / transfer high voltage PWB Proper current does not flow as the main high voltage PWB or the contact point of the transfer high voltage PWB is faulty. Reattach the main high voltage PWB and the transfer high voltage PWB.
    12 (When the image is too light) Checking the drum unit / developer unit / LSU The parts for the drum unit, developer unit and LSU is dirty or worn out. In case if the image is too light, clean the drum unit, developer unit and the LSU. Or, replace them. Maintenanc e parts replacement procedures
    13 Firmware upgrade The firmware is not the latest version. Upgrade the firmware to the latest version. Firmware Update
    14 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor and Rear ID sensor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    15 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    16 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7613
  • Description: Bias calibration read value error (Magenta)
  • Causes: The ID sensors cannot properly read the patch density on the primary transfer belt when executing Calibration or the color adjustment.
  • Remedy: 1 Resetting the main power The ID sensor does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 (In case if the printout is light) Checking the developer unit (35ppm or faster models) The developing roller does not contact with the drum. Switch the lock lever up and down and return the developer roller to the setting position. If the developer roller does not return due to the breakage of the lock lever or the failure of the developer roller pressure wire, replace the developer unit. Detaching and reattaching the Developer Unit
    3 (In case if the printout is light) Checking the connecting gear of the front cover for the maintenance (25/32ppm models) The developer roller does not contact the drum since it does not properly interlock with the opening and closing operation of the front cover for the maintenance. If the developer roller does not contact the drum even if closing the front cover for the maintenance, reattach the gear connecting to the front cover for the maintenance.
    4 (In case if the printout is light) Cleaning / replacing the LSU. The laser does not output properly from the LSU. Or, LSU dustproof glass is dirty. Clean the LSU. If not repaired, replace it. Detaching and reattaching the LSU
    5 (In case if the printout is light) Improving the condensation of the drum surface (35ppm or faster models) Condensation on the drum surface Execute the drum refresh. And next, set [On] at U339 [Drum heater] to turn on the drum heater. Adjust/ Maintenanc e Menu (Operation Guide — Section 10) Maintenanc e Mode List
    6 Cleaning the ID sensor The ID sensor is dirty. Clean the surface of the front and rear ID sensors.
    7 Executing Calibration The last calibration failed. Execute U464 [Calib]. Maintenanc e Mode List
    8 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    9 Checking the primary transfer unit The primary transfer belt surface is dirty. Clean the surface of the primary transfer belt, or replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    10 Checking the ID sensor The ID sensor is not properly attached, or the connector is not properly connected. Reattach the front and rear ID sensors and reconnect the connectors.
    11 (When the image is too light) Checking the main high voltage PWB / transfer high voltage PWB Proper current does not flow as the main high voltage PWB or the contact point of the transfer high voltage PWB is faulty. Reattach the main high voltage PWB and the transfer high voltage PWB.
    12 (When the image is too light) Checking the drum unit / developer unit / LSU The parts for the drum unit, developer unit and LSU is dirty or worn out. In case if the image is too light, clean the drum unit, developer unit and the LSU. Or, replace them. Maintenanc e parts replacement procedures
    13 Firmware upgrade The firmware is not the latest version. Upgrade the firmware to the latest version. Firmware Update
    14 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor and Rear ID sensor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    15 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    16 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7614
  • Description: Bias calibration read value error (Yellow)
  • Causes: The ID sensors cannot properly read the patch density on the primary transfer belt when executing Calibration or the color adjustment.
  • Remedy: 1 Resetting the main power The ID sensor does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 (In case if the printout is light) Checking the developer unit (35ppm or faster models) The developing roller does not contact with the drum. Switch the lock lever up and down and return the developer roller to the setting position. If the developer roller does not return due to the breakage of the lock lever or the failure of the developer roller pressure wire, replace the developer unit. Detaching and reattaching the Developer Unit
    3 (In case if the printout is light) Checking the connecting gear of the front cover for the maintenance (25/32PPM models) The developer roller does not contact the drum since it does not properly interlock with the opening and closing operation of the front cover for the maintenance. If the developer roller does not contact the drum even if closing the front cover for the maintenance, reattach the gear connecting to the front cover for the maintenance.
    4 (In case if the printout is light) Cleaning / replacing the LSU. The laser does not output properly from the LSU. Or, LSU dustproof glass is dirty. Clean the LSU. If not repaired, replace it. Detaching and reattaching the LSU
    5 (In case if the printout is light) Improving the condensation of the drum surface (35ppm or faster models) Condensation on the drum surface Execute the drum refresh. And next, set [On] at U339 [Drum heater] to turn on the drum heater. Adjust/ Maintenanc e Menu (Operation Guide — Section 10) Maintenanc e Mode List
    6 Cleaning the ID sensor The ID sensor is dirty. Clean the surface of the front and rear ID sensors.
    7 Executing Calibration The last calibration failed. Execute U464 [Calib]. Maintenanc e Mode List
    8 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    9 Checking the primary transfer unit The primary transfer belt surface is dirty. Clean the surface of the primary transfer belt, or replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    10 Checking the ID sensor The ID sensor is not properly attached, or the connector is not properly connected. Reattach the front and rear ID sensors and reconnect the connectors.
    11 (When the image is too light) Checking the main high voltage PWB / transfer high voltage PWB Proper current does not flow as the main high voltage PWB or the contact point of the transfer high voltage PWB is faulty. Reattach the main high voltage PWB and the transfer high voltage PWB.
    12 (When the image is too light) Checking the drum unit / developer unit / LSU The parts for the drum unit, developer unit and LSU is dirty or worn out. In case if the image is too light, clean the drum unit, developer unit and the LSU. Or, replace them. Maintenanc e parts replacement procedures
    13 Firmware upgrade The firmware is not the latest version. Upgrade the firmware to the latest version. Firmware Update
    14 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor and Rear ID sensor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    15 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    16 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7620
  • Description: Automatic color registration error
  • Causes: 1. The patch print position on the primary transfer belt is not within the readable area by the ID sensor.
    2. The primary transfer belt surface is dirty, or the patch print density is too light.
  • Remedy: 1 Resetting the main power The ID sensor does not operate properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Executing Calibration The last calibration failed. Execute U464 [Calib]. Maintenanc e Mode List
    3 (In case if the printout is light) Checking the developer unit (35ppm or faster models) The developing roller does not contact with the drum. Switch the lock lever up and down and return the developer roller to the setting position. If the developer roller does not return due to the breakage of the lock lever or the failure of the developer roller pressure wire, replace the developer unit. Detaching and reattaching the Developer Unit
    4 (In case if the printout is light) Checking the connecting gear of the front cover for the maintenance (25/32PPM models) The developer roller does not contact the drum since it does not properly interlock with the opening and closing operation of the front cover for the maintenance. If the developer roller does not contact the drum even if closing the front cover for the maintenance, reattach the gear connecting to the front cover for the maintenance.
    5 (In case if the printout is light) Cleaning / replacing the LSU. The laser does not output properly from the LSU. Or, LSU dustproof glass is dirty. Clean the LSU. If not repaired, replace it. Detaching and reattaching the LSU
    6 (In case if the printout is light) Improving the condensation of the drum surface (35ppm or faster models) Condensation on the drum surface Execute the drum refresh. And next, set [On] at U339 [Drum heater] to turn on the drum heater. Adjust/ Maintenanc e Menu (Operation Guide — Section 10) Maintenanc e Mode List
    7 Cleaning the ID sensor The ID sensor is dirty. Clean the surface of the front and rear ID sensors.
    8 Checking the ID sensor shutter The ID sensor shutter does not operate properly. Execute U033 [ID Sensor]. If the ID sensor shutter does not operate properly, reattach the cleaning solenoid. Maintenanc e Mode List
    9 Checking the primary transfer unit The primary transfer belt surface is dirty. Clean the surface of the primary transfer belt, or replace the primary transfer unit. Detaching and reattaching the Primary Transfer Unit
    10 (When the image is too light) Checking the main high voltage PWB / transfer high voltage PWB Proper current does not flow as the main high voltage PWB or the contact point of the transfer high voltage PWB is faulty. Reattach the main high voltage PWB and the transfer high voltage PWB.
    11 (When the color registration occurs) Checking the LSU / drum unit LSU or drum unit is not installed correct position. Or, LSU is faulty. If the color registration occurs, reinstall the LSU and the drum unit at the proper position. If not repaired, replace the LSU. Detaching and reattaching the Drum Unit Detaching and reattaching the LSU
    12 Checking the ID sensor The ID sensor is not properly attached, or the connector is not properly connected. Reattach the front and rear ID sensors and reconnect the connectors.
    13 Firmware upgrade The firmware is not the latest version. Upgrade the firmware to the latest version. Firmware Update
    14 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Front ID sensor and Rear ID sensor — Feed drive PWB • Feed drive PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    15 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
    16 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7800
  • Description: Outer thermistor broken
  • Causes: The input sampling value of the temperature/humidity sensor (outer thermistor) is at the reference value or more.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Temperature/humidity sensor — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the temperature/ humidity sensor The temperature/humidity sensor is faulty. Replace the temperature/humidity sensor.
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7810
  • Description: Outer thermistor short-circuited
  • Causes: The input sampling value of the temperature/humidity sensor (outer thermistor) is at the reference value or less.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Temperature/humidity sensor — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the temperature/ humidity sensor The temperature/humidity sensor is faulty. Replace the temperature/humidity sensor.
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7901
  • Description: Drum unit K EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the drum unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the drum unit The drum unit is not properly installed. Reinstall drum unit K to connect the connector firmly. Detaching and reattaching the Drum Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum unit — Drum/developer relay PWB • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the drum unit The EEPROM in the drum unit is faulty. Replace drum unit K. Detaching and reattaching the Drum Unit
    5 Checking the connection of the EEPROMS in each unit EEPROM signal line of some units are faulty grounded. If the signal wire has a ground fault, replace it. • Signal wires (SCL, SDA) from the EEPROMs in the drum unit and the developer unit — Drum/developer relay PWB • Signal wires (SCL, SDA) from the EEPROMs in the primary transfer unit and the fuser unit — Feed image PWB Service Manual — Section 8 ‘PWBs’
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    8 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7902
  • Description: Drum unit C EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the drum unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the drum unit The drum unit is not properly installed. Reinstall drum unit C so that the connector firmly connects. Detaching and reattaching the Drum Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the drum unit The EEPROM in the drum unit is faulty. Replace drum unit C. Detaching and reattaching the Drum Unit
    5 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7903
  • Description: Drum unit M EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the drum unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the drum unit The drum unit is not properly installed. Reinstall drum unit M so that the connector firmly connects. Detaching and reattaching the Drum Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the drum unit The EEPROM in the drum unit is faulty. Replace drum unit M. Detaching and reattaching the Drum Unit
    5 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7904
  • Description: Drum unit Y EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the drum unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the drum unit The drum unit is not properly installed. Reinstall drum unit Y so that the connector firmly connects. Detaching and reattaching the Drum Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the drum unit The EEPROM in the drum unit is faulty. Replace drum unit Y. Detaching and reattaching the Drum Unit
    5 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7911
  • Description: Developer unit K EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the developer unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit K so that the connector firmly connects. Detaching and reattaching the Developer Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the developer unit The EEPROM in the developer unit is faulty. Replace developer unit K. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Checking the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7912
  • Description: Developer unit C EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the developer unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit C so that the connector firmly connects. Detaching and reattaching the Developer Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the developer unit The EEPROM in the developer unit is faulty. Replace the developer unit C. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Checking the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7913
  • Description: Developer unit M EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the developer unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit M so that the connector firmly connects. Detaching and reattaching the Developer Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the developer unit The EEPROM in the developer unit is faulty. Replace the developer unit M. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Checking the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7914
  • Description: Developer unit Y EEPROM error
  • Causes: 1. Five times consecutive detection of no response from the device for more than 5ms on reading / writing.
    2. Data read in 2 places does not match 8 consecutive times.
    3. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The data stored in the EEPROM in the developer unit is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Reinstalling the developer unit The developer unit is not properly installed. Reinstall developer unit Y so that the connector firmly connects. Detaching and reattaching the Developer Unit
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Drum/developer relay PWB — Feed image PWB • Feed image PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the developer unit The EEPROM in the developer unit is faulty. Replace the developer unit Y. Detaching and reattaching the Developer Unit
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the drum/developer relay PWB The drum/developer relay PWB is faulty. Replace the drum/developer relay PWB. Detaching and reattaching the Drum/ Developer relay PWB (Section 4 ‘Detaching and reattaching the waste toner box unit’)
    7 Checking the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
  • Code: C7941
  • Description: LSU EEPROM error
    Remarks: In the color 35ppm or faster models, this error appears when the access to C/Y fails.
  • Causes: Data read in 2 places does not match 8 consecutive times. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The EEPROM data in the LSU is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the FFC FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the LSU The APC PWB (LSU) is faulty. Replace the LSU. Detaching and reattaching the LSU
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
  • Code: C7942
  • Description: LSU EEPROM error 2
    Object: Color 35ppm or faster models
    Remarks: This error appears when the access to M/K fails.
  • Causes: Data read in 2 places does not match 8 consecutive times. Writing data and reading data does not match 8 consecutive times.
  • Remedy: 1 Resetting the main power The EEPROM data in the LSU is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the FFC FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • LSU (APC PWB) — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the LSU The APC PWB (LSU) is faulty. Replace the LSU. Detaching and reattaching the LSU
    4 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
  • Code: C7970
  • Description: Weight sensor error
  • Causes: The condition of the sensor output value was less than the specified value continued for 500ms.
  • Remedy: 1 Reinstalling the waste toner box The waste toner box is not properly installed. Reinstall the waste toner box into the main unit slowly, and then check if it moves vertically. Replacing the Waste Toner Box (Operation Guide — Section 10)
    2 Checking the wire The relay connector (engine PWB and waste toner motor/ weight sensor) is not connected properly or disconnected as excessive tensioning of the wire located at the back side of the waste toner box unit during maintenance work. Realign the wire so that the wire of the relay connector at the waste toner box unit backside is not excessively strained. Then, reconnect the relay connector. Connection of Relay Connector of Waste Toner Box Unit (Section 4 ‘Detaching and reattaching waste toner box unit)
    3 Checking the weight sensor and the actuator The connector is not properly connected. Or, the actuator is not attached properly. Reconnect the connector of the weight sensor. And, reattach the weight sensor actuator and the return spring.
    4 Reattaching the weight detection spring The weight detection spring has come off. Detach the waste toner box unit and reattach the weight detection spring.
    5 Cleaning around the weight sensor The weight sensor and surrounding parts are dirty. Clean around the weight sensor with an airblower.
    6 Executing U155 The calibration of the weight sensor is not executed properly. Execute the waste toner calibration at U155. Maintenanc e Mode List
    7 Replacing the waste toner box The waste toner box is faulty. Replace the waste toner box. Replacing the Waste Toner Box (Operation Guide — Section 10)
    8 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C7980
  • Description: Waste toner overflow (Waste toner full sensor error)
  • Causes: The waste toner full sensor detected full (lock) of the waste toner box for 4 times continuously.
  • Remedy: 1 Checking the waste toner box The waste toner box is full. Detach and reattach the waste toner box and close the waste toner box cover. If the waste toner box is full, replace it. Replacing the Waste Toner Box (Operation Guide — Section 10)
    2 Checking the waste toner full sensor The connector is not properly connected. Reconnect the connector of the waste toner full sensor.
    3 Cleaning the waste toner box joint section The waste toner is clogged at the waste toner joint section. Clean inside the waste toner box joint section of the main drive unit. Detaching and reattaching the Main Drive Unit
    4 Checking the connection The waste toner box joint section and the waste toner box are not properly connected. Realign the wire so that the wire of the relay connector at the waste toner box unit backside is not excessively strained. Then, reconnect the relay connector. After that, reinstall the waste toner box into the main unit. Connection of Relay Connector of Waste Toner Box Unit (Section 4 ‘Detaching and reattaching waste toner box unit)
    5 Firmware upgrade The engine firmware is faulty. Upgrade the engine firmware to the latest version Firmware Update
    6 Checking the operation of the weight sensor actuator The weight sensor actuator inside the waste toner box unit does not operate properly. When the voltage from the 2nd pin of connector YC29 on the feed image PWB is not ‘3.3V (full detection)’, reattach the weight sensor actuator inside the waste toner box unit and check if it operates properly. If not operating properly, replace the waste toner box unit. Detaching and reattaching the Waste Toner Box Unit
    7 Replacing the waste toner forwarding unit The waste toner full sensor inside the waste toner forwarding unit misdetects. Replace the waste toner forwarding unit when the voltage from the 2nd pin of connector YC29 on the feed image PWB is ‘3.3V (full detection)’. Detaching and reattaching the Main Drive Unit
    8 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Feed image PWB — Feed drive PWB Service Manual — Section 8 ‘PWBs’
    9 Replacing the feed image PWB The feed image PWB is faulty. Replace the feed image PWB.
    10 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB.
  • Code: C8000
  • Description: Finisher incompatibility detection
  • Causes: 100-sheet staple finisher was installed in the lowend model
  • Remedy: 1 Checking the finisher DF-7130 is installed in the lowend model Install DF-7110 or DF-7120
  • Code: C8010
  • Description: PH motor error 1
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher (When punch unit is installed)
  • Causes: 1. The PH home position sensor does not turn on even 200ms passed when the PH motor drives.
    2. The pulse plate does not count the specified pulse even 300ms passed after the punch operation was started.
    3. After correction operation starts, the punch unit does not stop at 2-pulse position from the PH home position sensor turning on within 500ms. (If the PH home position sensor turns on, the processing finishes normally.)
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch unit does not move manually, repair the position where restricts the operation.
    2 Checking the PH cam drive parts The PH cam drive parts are not attached properly, or faulty. Reattach the punch cam drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH motor — PH PWB • PH home position sensor — PH PWB • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the PH motor The PH motor is faulty. Execute U240 [Motor] > [Punch]. If the PH motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking the PH home position sensor The PH home position sensor is not properly attached, or it is faulty. Execute U241 [Punch] > [Punch HP]. If the PH home position sensor does not operate properly, reattach it. If not repaired, replace it. Maintenanc e Mode List
    6 Firmware upgrade The firmware is not the latest version. Upgrade the PH firmware to the latest version. Firmware Update
    7 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    8 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8020
  • Description: PH motor error 2
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher (When punch unit is installed)
  • Causes: The positioning alignment of the home position is not completed within 3s when initializing or waiting the home position.
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch unit does not move manually, repair the position where restricts the operation.
    2 Checking the PH cam drive parts The PH cam drive parts are not attached properly, or faulty. Reattach the PH cam drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH motor — PH PWB • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the PH motor The PH motor is faulty. Execute U240 [Motor] > [Punch]. If the PH motor does not operate properly, replace it. Maintenanc e Mode List
    5 Firmware upgrade The firmware is not the latest version. Upgrade the PH firmware to the latest version. Firmware Update
    6 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8030
  • Description: PH motor error 3
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher (When punch unit is installed)
  • Causes: The home position detection does not turn off within 50ms when initializing the home position.
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch unit does not move manually, repair the position where restricts the operation.
    2 Checking the PH cam drive parts The PH cam drive parts are not attached properly, or faulty. Reattach the PH cam drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH motor — PH PWB • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the PH motor The PH motor is faulty. Execute U240 [Motor] > [Punch]. If the PH motor does not operate properly, replace it. Maintenanc e Mode List
    5 Firmware upgrade The firmware is not the latest version. Upgrade the PH firmware to the latest version. Firmware Update
    6 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8040
  • Description: Punch shift motor error 1
    Object: 100-sheet staple finisher
  • Causes: HP cannot be not detected even if driving the motor by the specified distance (30mm) when moving to HP
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch unit does not move manually, repair the position where restricts the operation.
    2 Checking the PH cam drive parts The PH cam drive parts are not attached properly or faulty. Reattach the punch cam drive components. Replace it if not repaired.
    3 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EPunch shift motor — PH PWB EPunch HP sensor — PH PWB EPH PWB- DF PWB
    4 Replacing the punch shift motor The punch shift motor is faulty. Execute U240 mMotorn > mPunch Moven Replace the punch shift motor if it does not operate properly
    5 Checking the punch HP sensor Punch HP sensor is not properly attached or faulty. Execute U241 mPunchn > mPunch HPn Reattach the punch HP sensor if it does not operate properly. Replace the punch HP sensor if not repaired.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the PH firmware to the latest version.
    7 Replacing PH PWB PH PWB is faulty. Replace PH PWB.
    8 Replacing DF PWB DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version.
  • Code: C8050
  • Description: Punch shift motor error 2
    Object: 100-sheet staple finisher
  • Causes: The paper edge cannot be detected if driving the motor by the specified distance (30mm) when detecting the paper edge.
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch unit does not move manually, repair the position where restricts the operation.
    2 Checking the PH cam drive parts The PH cam drive parts are not attached properly or faulty. Reattach the punch cam drive components. Replace it if not repaired
    3 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EPunch shift motor — PH PWB EPaper edge sensor 1,2 — PH PWB EPH PWB- DF PWB
    4 Replacing the punch shift motor The punch shift motor is faulty. Execute U240 mMotorn > mPunch Moven Replace the punch shift motor if it does not operate properly.
    5 Checking the paper edge sensors 1, 2 Paper edge sensors 1, 2 are not properly attached or faulty. Execute U241 mPunchn > mEdge Face1/2n Reattach the paper edge sensors 1, 2 if they do not operate properly. Replace the paper edge sensors 1, 2 if not repaired.
    6 Firmware upgrade The firmware is not the latest version. Upgrade the PH firmware to the latest version.
    7 Replacing PH PWB PH PWB is faulty. Replace PH PWB.
    8 Replacing DF PWB DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version.
  • Code: C8090
  • Description: DF paddle motor error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: 1. The DF paddle sensor does not turn on even if 1s passed when the DF paddle motor drives.
    2.The DF paddle sensor does not turn off even if it drives for 1s from on condition.
  • Remedy: 1 Checking the DF paddle drive components The DF paddle drive components are not properly attached, or it is faulty. Reattach the DF paddle drive components. Replace it if not repaired
    2 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF paddle motor — DF PWB EDF paddle sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DF paddle motor The DF paddle motor is faulty. Execute U240 mMotorn > mBeatn Replace the DF paddle motor if it does not operate properly. Maintenanc e Mode List
    4 Replacing the DF paddle sensor The DF paddle sensor is faulty. Execute U241mFinishern > mLead Paddlen Replace the DF paddle sensor if it does not operate properly. Maintenanc e Mode List
    5 Replacing DF PWB DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8090
  • Description: Punch unit communication error/Main program error (Punch unit)
    Object: 100-sheet staple finisher
  • Causes: 1. Communication error occurred 10 times continuously after completing read-out of the firmware version from the punch unit.
    2. When turning on the power, there was an error in the main program.
  • Remedy: 1 Checking the connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EPH PWB- DF PWB
    2 Replacing PH PWB PH PWB is faulty. Replace PH PWB.
    3 Replacing DF PWB DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version.
  • Code: C8100
  • Description: DF exit release motor error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: 1. The DF bundle exit sensor does not turn on even 1s passed when the DF exit release motor drives.
    2. The DF bundle exit sensor does not turn off even if drives for 1s from on condition.
  • Remedy: 1 Checking the DF bundle exit unit The exit guide in the DF bundle exit unit is deformed. Repair the DF bundle exit unit.
    2 Checking the DF bundle exit unit drive parts The DF bundle exit unit drive parts are not properly attached, or they are faulty. Reattach the DF bundle exit unit drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF exit release motor — DF PWB • DF bundle exit sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF exit release motor The DF exit release motor is faulty. Execute U240 [Motor] > [Eject Unlock(HP)]. If the DF exit release motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking the DF bundle exit sensor The DF bundle exit sensor is not attached properly or faulty. Reattach the DF bundle exit sensor, then check the sensor operation by executing U241. If the DF bundle exit sensor does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8110
  • Description: DF shift motor 1 error
    Object: 4000-sheet finisher
  • Causes: DF shift sensor 1 does not turn on even if shifting 160mm when driving DF shift motor 1.
  • Remedy: 1 Checking the front shift guide The front shift guide is not assembled properly. If the front shift guide does not move manually, repair the position where restricts the operation.
    2 Checking the front shift guide drive parts The front shift guide drive parts are not properly attached, or they are faulty. Reattach the front shift guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF shift motor 1 — DF PWB • DF shift sensor 1 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing DF shift motor 1 DF shift motor 1 is faulty. Replace DF shift motor 1 if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking DF shift sensor 1 DF shift sensor 1 is not properly attached, or it is faulty. Reattach DF shift sensor 1, then execute U241 [Finisher] > [Shift Front HP]. If DF shift sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8120
  • Description: DF shift motor 2 error
    Object: 4000-sheet finisher
  • Causes: DF shift sensor 2 does not turn on even if shifting 160mm when driving DF shift motor 2.
  • Remedy: 1 Checking the rear shift guide The rear shift guide is not assembled properly. If the rear shift guide does not move manually, repair the position where restricts the operation.
    2 Checking the rear shift guide drive parts The rear shift guide drive parts are not properly attached, or they are faulty. Reattach the rear shift guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF shift motor 2 — DF PWB • DF shift sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking DF shift motor 2 DF shift motor 2 is faulty. Replace DF shift motor 2 if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking DF shift sensor 2 DF shift sensor 2 is not properly attached, or it is faulty. Reattach DF shift sensor 2, then execute U241 [Finisher] > [Shift Tail HP]. If DF shift sensor 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8130
  • Description: DF shift release motor error
    Object: 4000-sheet finisher
  • Causes: 1. The DF shift release sensor does not turn on even 1s passed when the DF shift release motor drives.
    2. The DF shift release sensor does not turn on even if the DF shift release motor drives for 3s toward the direction of the HP detection.
    3. The DF shift release sensor does not turn off even if it drives for 3s toward the direction of the HP detection off.
  • Remedy: 1 Firmware upgrade If the finisher is not detected, the firmware is faulty. Upgrade the firmware to the latest version while opening the DF front cover. Firmware Update
    2 Checking the rear shift guide The rear shift guide is not assembled properly. If the rear shift guide does not move manually, repair the position where restricts the operation.
    3 Checking the rear shift guide drive parts The rear shift guide drive parts are not properly attached, or they are faulty. Reattach the rear shift guide drive parts. If not repaired, replace them.
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF shift release motor — DF PWB • DF shift release sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    5 Checking the DF shift release motor The DF shift release motor is faulty. Replace the DF shift release motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    6 Checking the DF shift release sensor The DF shift release sensor is not properly attached, or it is faulty. Reattach the DF shift release sensor, then execute U241 [Finisher] > [Shift Unlock HP]. If the DF shift release sensor does not operate properly, replace it. Maintenanc e Mode List
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8140
  • Description: DF tray motor error 1
    Object: 4000-sheet finisher or 1000-sheet finisher
  • Causes: The DF tray sensor or the DF tray upper side sensor does not turn on after passing 30s when ascending the DF main tray or the DF tray.
  • Remedy: 1 Checking the DF main tray / DF tray The DF main tray / DF tray is not assembled properly. If the DF main tray or the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF main tray / DF tray drive parts The DF main tray / DF tray drive parts are not properly attached, or they are faulty. Reattach the DF main tray / DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List
    5 (When installing the 1000- sheet finisher) Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray sensor 1 — DF PWB Service Manual — Section 8 ‘PWBs’
    6 (When installing the 4000- sheet finisher) Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray sensor 1 — DF PWB • DF tray sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    7 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray upper surface sensor 1 — DF PWB • DF tray upper surface sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    8 (When installing the 1000- sheet finisher) Checking DF tray sensor 1 DF tray sensor 1 is not properly attached, or it is faulty. Reattach DF tray sensor 1, then execute U241 [Finisher] > [Tray U-Limit]. If DF tray sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    9 (When installing the 4000- sheet finisher) Checking DF tray sensor 1, 2 DF tray sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray sensor 1 or 2, then execute U241 [Finisher] > [Tray U-Limit] or [Tray HP2]. If DF tray sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    10 Checking DF tray upper side sensors 1, 2 DF tray upper surface sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray upper surface sensor 1 or 2, then execute U241 [Finisher] > [Tray Top]. If DF tray upper surface sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    11 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8140
  • Description: DF tray motor error
    1 Object: Inner finisher
  • Causes: Turning on/off of DF paper holding sensors 1, 2 could not be detected after passing 4s when ascending the DF tray.
  • Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF paper holding sensor 1 — DF PWB • DF paper holding sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF tray motor The DF tray motor is faulty. Replace the DF tray motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking DF paper holding sensors 1, 2 DF paper holding sensors 1, 2 are not properly attached, or they are faulty. Reattach DF paper holding sensor 1 or 2, then check the sensor operation by executing U241. If DF paper holding sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8150
  • Description: DF tray motor error 2
    Object: 1000-sheet finisher
    Remarks: If the error is detected during job, the tray full is displayed and this service call will not come up.
  • Causes: Turning on and off of DF tray sensor 1 or DF tray upper side sensors 1, 2 could not be detected after passing 5s when descending the DF tray.
  • Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF tray sensor 1 — DF PWB • DF tray upper surface sensor 1 — DF PWB • DF tray upper surface sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF tray motor The DF tray motor is faulty. Replace the DF tray motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking DF tray sensor 1 DF tray sensor 1 is not properly attached. Reattach DF tray sensor 1, then check the sensor operation by executing U241. If DF tray sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    6 Checking DF tray upper side sensors 1, 2 DF tray upper side sensors 1, 2 are not properly attached. Reattach DF tray upper surface sensor 1 or 2, then check the sensor operation by executing U241. If DF tray upper surface sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8150
  • Description: DF tray motor error 2
    Object: 4000-sheet finisher
  • Causes: Turning on and off of DF tray sensors 1, 2 or DF tray upper side sensors 1, 2 could not be detected after passing 5s when descending the DF main tray.
  • Remedy: 1 Checking the DF main tray The DF main tray is not assembled properly. If the DF main tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF main tray drive parts The DF main tray drive parts are not properly attached, or they are faulty. Reattach the DF main tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF tray sensor 1 — DF PWB • DF tray sensor 2 — DF PWB • DF tray upper surface sensor 1 — DF PWB • DF tray upper surface sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF tray sensors 1, 2 DF tray sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray sensor 1 or 2, then execute U241 [Finisher] > [Tray U-Limit] or [Tray HP2]. If DF tray sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Checking DF tray upper side sensors 1, 2 DF tray upper surface sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray upper surface sensor 1 or 2, then execute U241 [Finisher] > [Tray Top]. If DF tray upper surface sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8160
  • Description: DF tray motor error (3)
    Object: 1000-sheet finisher
  • Causes: DF tray sensor 3 does not turn on after passing 30s when descending the DF tray.
  • Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF tray sensor 3 -DF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF tray sensor 3 DF tray sensor 3 is not properly attached, or it is faulty. Reattach DF tray sensor 3, then check the sensor operation by executing U241. If DF tray sensor 3 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8160
  • Description: DF tray motor error (3)
    Object: 4000-sheet finisher
  • Causes: DF tray sensors 4, 5 does not turn on after passing 60s when descending the DF main tray.
  • Remedy: 1 Checking the DF main tray The DF main tray is not assembled properly. If the DF main tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF main tray drive parts The DF main tray drive parts are not properly attached, or they are faulty. Reattach the DF main tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF tray sensor 4 -DF PWB or, • DF tray sensor 5 (when installing the folding unit) -DF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF tray sensors 4, 5 DF tray sensors 4, 5 are not properly attached, or they are faulty. Reattach DF tray sensor 4 or DF tray sensor 5 (when installing the folding unit), then execute U241 [Finisher] > [Tray L-Limit] or [ Tray L-Limit(BL)]. If DF tray sensor 4 or 5 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8160
  • Description: DF tray motor error (3)
    Object: Inner finisher
  • Causes: The DF tray sensor does not turn on after passing 4s when descending the DF tray.
  • Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB • DF tray sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking the DF tray motor The DF tray motor is faulty. Replace the DF tray motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking the DF tray sensor The DF tray sensor is not properly attached, or it is faulty. Reattach the DF tray sensor, then check the sensor operation by executing U241. If the DF tray sensor does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8170
  • Description: DF side registration motor 1 error 1
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: The home position cannot be detected after passing 3s when relocating to the home position.
  • Remedy: 1 Checking the front DF side registration guide The front DF side registration guide is not assembled properly. If the DF side registration front guide does not move manually, repair the position where restricts the operation.
    2 Checking the front DF side registration guide drive parts The DF side registration front guide drive parts are not properly attached, or they are faulty. Reattach the DF side registration front guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF side registration motor 1 — DF PWB • DF side registration sensor 1 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing DF side registration motor 1 DF side registration motor 1 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 1 does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF side registration sensor 1 DF side registration sensor 1 is not properly attached, or it is faulty. Reattach DF side registration sensor 1, then execute U241 [Finisher] > [Width Front HP]. If DF side registration sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8180
  • Description: DF side registration motor 1 error 2
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: J6810/J6811/J6812 (Front DF side registration jam) was detected 2 times continuously.
  • Remedy: 1 Checking the front DF side registration guide The front DF side registration guide is not assembled properly. If the DF side registration front guide does not move manually, repair the position where restricts the operation.
    2 Checking the front DF side registration guide drive parts The DF side registration front guide drive parts are not properly attached, or they are faulty. Reattach the front DF side registration guide drive parts.
    3 Replacing the front DF side registration guide drive parts The front DF side registration guide drive parts are faulty. Replace the front DF side registration guide drive parts.
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF side registration motor 1 — DF PWB • DF side registration sensor 1 — DF PWB Service Manual — Section 8 ‘PWBs’
    5 Checking DF side registration motor 1 DF side registration motor 1 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 1 does not operate properly, replace it. Maintenanc e Mode List
    6 Checking DF side registration sensor 1 DF side registration sensor 1 is not properly attached, or it is faulty. Reattach DF side registration sensor 1, then execute U241 [Finisher] > [Width Front HP]. If DF side registration sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8190
  • Description: DF side registration motor 2 error 1
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: The home position cannot be detected after passing 3s when relocating to the home position.
  • Remedy: 1 Checking the rear DF side registration guide The rear DF side registration guide is not assembled properly. If the DF side registration rear guide does not move manually, repair the position where restricts the operation.
    2 Checking the rear DF side registration guide drive parts The DF side registration rear guide drive parts are not properly attached, or they are faulty. Reattach the DF side registration rear guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF side registration motor 2 — DF PWB • DF side registration sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing DF side registration motor 2 DF side registration motor 2 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 2 does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF side registration sensor 2 DF side registration sensor 2 is not properly attached, or it is faulty. Reattach DF side registration sensor 2, then execute U241 [Finisher] > [Width Tail HP]. If DF side registration sensor 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8200
  • Description: DF side registration motor 2 error 2
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: J6910/J6911/J6912 (Rear DF side registration jam) was detected 2 times continuously.
  • Remedy: 1 Checking the rear DF side registration guide The rear DF side registration guide is not assembled properly. If the DF side registration rear guide does not move manually, repair the position where restricts the operation.
    2 Checking the rear DF side registration guide drive parts The side registration rear guide drive parts are not properly attached, or they are faulty. Reattach the DF side registration rear guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF side registration motor 2 — DF PWB • DF side registration sensor 2 — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Checking DF side registration motor 2 DF side registration motor 2 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 2 does not operate properly, replace it. Maintenanc e Mode List
    5 Checking DF side registration sensor 2 DF width adjustment sensor 2 is not installed properly. Or, it is faulty. Reattach DF side registration sensor 2, then execute U241 [Finisher] > [Width Tail HP]. If DF side registration sensor 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8210
  • Description: DF staple motor front/rear error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: The home position could not be detected after passing 3s when replacing to the home position at the initial operation.
  • Remedy: 1 Checking the DF staple unit The DF staple unit is not assembled properly. If the DF staple unit does not move front and back manually, repair the position where restricts the operation.
    2 Checking the DF staple unit drive parts The DF staple unit drive parts are not properly attached, or they are faulty. Reattach the DF staple unit drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF staple motor — DF PWB • DF staple sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF staple motor The DF staple motor is faulty. Execute U240 [Motor] > [Staple]. If the DF staple motor does not operate properly, replace the DF staple unit. Maintenanc e Mode List Detaching and reattaching the DF Staple Unit
    5 Checking the DF staple sensor The DF staple motor is not properly attached, or it is faulty. Reattach the DF staple sensor. Then, replace the DF staple unit if the sensor is not fixed. Detaching and reattaching the DF Staple Unit
    6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8230
  • Description: DF staple motor error 1
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: DF staple JAM is detected 2 times continuously. (The condition of JAM detection for the second time: after the motor is started, home position can’t be detected even 600ms passed.)
  • Remedy: 1 Checking the DF staple unit The DF staple unit is not assembled properly. If the DF staple can’t be done without paper jam, repair the position where restricts the operation.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF staple unit — DF PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DF staple unit The DF staple unit is faulty. Replace the DF staple unit. Detaching and reattaching the DF Staple Unit
    4 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8250
  • Description: DF main tray error 4
    Object: 1000-sheet finisher
  • Causes: The lock-up detection signal is 0.7V or less for 10s continuously while driving the DF tray motor.
  • Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation.
    2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF tray motor — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF tray motor The DF tray motor is faulty. Replace the DF tray motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8260
  • Description: DF middle motor HP detection error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: J790X (Middle paddle jam) was detected 2 times continuously.
  • Remedy: 1 Checking the DF paddle drive components The DF paddle drive components are not properly attached, or it is faulty. Reattach the DF paddle drive components. Or replace.
    2 Checking connection The connector is not properly connected. Or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF middle motor — DF PWB EDF paddle sensor — DF PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing DF middle motor The DF middle motor is faulty. Execute U240 [Motor] > [Middle(H)] or [Middle(L)] Replace the DF middle motor if it does not operate properly. Maintenanc e Mode List
    4 Checking DF paddle sensor The DF paddle sensor is not properly attached or faulty. Reattach the DF paddle sensor and execute U241 [Finisher] > [Lead Paddle]. Replace the DF paddle sensor if it does not operate properly. Maintenanc e Mode List
    5 Replacing DF PWB DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8300
  • Description: Main program error / BF unit communication error
    Object: 4000-sheet finisher with the folding unit
  • Causes: After confirming connection with the holding unit, the communication has cut off.
  • Remedy: 1 Checking the BF set sensor The BF set sensor is not attached properly. Reattach the BF set sensor.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the BF set sensor The BF set sensor is faulty. Execute U241 [Booklet] > [Set]. If the BF set sensor does not operate properly, replace it. Maintenanc e Mode List
    4 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
    5 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8310
  • Description: BF side registration motor 2 error
    Object: 4000-sheet finisher with the folding unit
  • Causes: BF side registration sensor 2 does not turn on after passing 1s during the initial operation.
  • Remedy: 1 Checking the upper BF side registration guide The upper BF side registration guide is not assembled properly. If the BF side registration upper guide does not move front and back manually, repair the position where restricts the operation.
    2 Checking the upper BF side registration guide drive parts The BF side registration upper guide drive parts are not properly attached, or they are faulty. Reattach the BF side registration upper guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF side registration motor 2 — BF PWB • BF side registration sensor 2 — BF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing BF side registration motor 2 BF side registration motor 2 is faulty. Replace BF side registration motor 2 if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking BF side registration sensor 2 BF side registration sensor 2 is not properly attached, or it is faulty. Reattach BF side registration sensor 2, then execute U241 [Booklet] > [Width Down HP]. If BF side registration sensor 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8320
  • Description: BF adjustment motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: At the initialization, turning on of the BF adjustment sensor is not detected after 2.5s passes.
  • Remedy: 1 Checking the BF shift belt The BF shift belt is not assembled properly. If the BF shift belt is not operated manually, repair the part that restricts the operation.
    2 Checking the BF shift belt drive parts The BF shift belt drive parts are not properly attached, or they are faulty. Reattach the BF shift belt drive parts. If the belt comes off, reattach it. If not repaired, replace the BF shift belt drive parts.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF adjusting motor 1, 2 — BF PWB • BF adjusting sensor 1, 2 — BF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing BF adjustment motors 1, 2 BF adjustment motors 1, 2 are faulty. Execute U240 [Booklet] > [Bundle Down] or [Bundle Up]. If DF adjusting motor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    5 Checking BF adjustment sensors 1, 2 BF adjustment sensors 1, 2 are not properly attached, or they are faulty. Reattach BF adjusting sensor 1 or 2, then execute U241 [Booklet] > [Bundle Down HP] or [Bundle Up HP]. If BF adjusting sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8330
  • Description: BF blade motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: The BF blade sensor does not turn on after passing 3s during the initial operation.
  • Remedy: 1 Checking the BF blade The BF blade is not assembled properly. If the BF blade does not operation manually, repair the position where restricts the operation.
    2 Checking the BF blade drive parts The BF blade drive parts are not properly attached, or they are faulty. Reattach the BF blade drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF blade motor — BF PWB • BF blade sensor — BF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the BF blade motor The BF blade motor is faulty. Execute U240 [Booklet] > [Blade]. If the BF blade motor does not operate properly, replace it. Maintenanc e Mode List
    5 Checking the BF blade sensor The BF blade sensor is not properly attached. Reattach the BF blade sensor, then execute U241 [Booklet] > [Blade HP]. If the BF blade sensor does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8340
  • Description: BF staple motor error 1
    Object: 4000-sheet finisher with the folding unit
  • Causes: BF staple JAM is detected 2 times continuously. (The condition of JAM detection for the second time: after the motor is started, home position can’t be detected even 600ms passed.)
  • Remedy: 1 Checking the BF staple unit The BF staple unit is not assembled properly. If the BF staple unit does not operation manually, repair the position where restricts the operation.
    2 Checking the BF staple unit drive parts The BF staple unit drive parts are not properly attached, or they are faulty. Reattach the BF staple unit drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF staple unit — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the BF staple unit The BF staple motor is faulty. Execute U240 [Booklet] > [Staple]. If the BF staple motor does not operate properly, replace the BF staple unit. Maintenanc e Mode List
    5 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8350
  • Description: BF side registration motor 1 error
    Object: 4000-sheet finisher with the folding unit
  • Causes: BF side registration sensor 1 does not turn on after passing 1s during the initial operation.
  • Remedy: 1 Checking the lower BF side registration guide The lower BF side registration guide is not assembled properly. If the BF side registration lower guide does not operation manually, repair the position where restricts the operation.
    2 Checking the lower BF side registration guide drive parts The BF side registration lower guide drive parts are not properly attached, or they are faulty. Reattach the BF side registration lower guide drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF side registration motor 1 — BF PWB • BF side registration sensor 1 — BF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing BF side registration motor 1 BF side registration motor 1 is faulty. Replace BF side registration motor 1 if it does not operate properly when checking the operation at U240. Maintenanc e Mode List
    5 Checking BF side registration sensor 1 BF side registration sensor 1 is not properly attached, or it is faulty. Reattach BF side registration sensor 1, then execute U241 [Booklet] > [Width Up HP]. If BF side registration sensor 1 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8360
  • Description: BF main motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: The lock-up signal was detected for 1s continuously during the motor operation.
  • Remedy: 1 Checking the BF conveying roller The BF conveying roller is not assembled properly. If the BF conveying roller is not rotated manually, repair the part that restricts the operation.
    2 Checking the BF conveying roller drive parts The BF conveying roller drive parts are not properly attached, or they are faulty. Reattach the BF conveying roller drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF main motor — BF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the BF main motor The BF main motor is faulty. Execute U240 [Booklet] > [Blade]. If the BF blade motor does not operate properly, replace it. Maintenanc e Mode List
    5 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8370
  • Description: BF staple motor error 2
    Object: 4000-sheet finisher with the folding unit
  • Causes: BF staple JAM is detected 2 times continuously. (The condition of JAM detection for the second time: during the motor is operating, home position can’t be detected even 600ms passed.)
  • Remedy: 1 Checking the BF staple unit The BF staple unit is not assembled properly. If the BF staple unit does not operation manually, repair the position where restricts the operation.
    2 Checking the BF staple unit drive parts The BF staple unit drive parts are not properly attached, or they are faulty. Reattach the BF staple unit drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • BF staple unit — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the BF staple motor The BF staple motor is faulty. Execute U240 [Booklet] > [Staple]. If the BF staple motor does not operate properly, replace it. Maintenanc e Mode List
    5 Replacing the BF staple unit The BF staple unit is faulty. Replace the BF staple unit.
    6 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8380
  • Description: BF eject pressure release motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: Operation is not complete when passing 3s after starting up the BF eject pressure release motor
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • The BF eject pressure release motor — DF PWB • The BF eject pressure release HP sensor — DF PWB
    2 Repacing the BF eject pressure release motor The BF eject pressure release motor is faulty Execute U240 [Booklet] > [Staple]. If the BF staple motor does not operate properly, replace it.
    3 Replacing the BF eject pressure release HP sensor The BF eject pressure release HP sensor is faulty Replace the BF eject pressure release HP sensor
    4 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8390
  • Description: BF paddle motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: Operation is not complete when passing 250ms after starting up the BF paddle motor
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. EBF eject pressure release motor — BF PWB EBF eject pressure release HP sensor — BF PWB
    2 Replacing the BF paddle motor The BF paddle motor is faulty Execute U240 mBookletn > mPaddlen. Replace the BF paddle motor if it does not operate properly.
    3 Replacing the BF paddle HP sensor The BF paddleHP sensor is faulty Replace the BF paddle HP sensor
    4 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8400
  • Description: BF conveying tray motor error
    Object: 4000-sheet finisher with the folding unit
  • Causes: Lock signal is detected for 100ms when passing 1s after starting the BF conveying tray motor drive
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. ETthe BF conveying tray motor — BF PWB
    2 Replacing the BF conveying tray motor Tthe BF conveying tray motor is faulty Execute U240 mBookletn > mFeed Trayn. Replace the BF conveying tray motor if it does not operate properly.
    3 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB.
  • Code: C8410
  • Description: PH slide motor error 1
    Object: 4000-sheet finisher or 1000-sheet finisher with the punch unit
  • Causes: The PH slide sensor does not turn on after shifting 30mm when relocating to the home position.
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch slide section does not move front and back manually, repair the position where restricts the operation.
    2 Checking the PH drive parts The PH drive parts are not attached properly, or faulty. Reattach the PH drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH slide motor — PH PWB • PH slide sensor — PH PWB • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the PH slide motor The PH slide motor is faulty. Execute U240 [Motor] > [Punch Move]. If the PH slide motor does not operate properly, replace the DF staple unit. Maintenanc e Mode List
    5 Checking the PH slide sensor The PH slide sensor is not properly attached, or it is faulty. Reattach the PH slide sensor, then check the sensor operation by executing U241. If the PH slide sensor does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8420
  • Description: PH slide motor error 2
    Object: 4000-sheet finisher or 1000-sheet finisher with the punch unit
  • Causes: The paper edge cannot be detected even if shifting 30mm when detecting the paper edge.
  • Remedy: 1 Checking the punch unit The punch unit is not assembled properly. If the punch slide section does not move front and back manually, repair the position where restricts the operation.
    2 Checking the PH drive parts The PH drive parts are not attached properly, or faulty. Reattach the PH drive parts. If not repaired, replace them.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH slide motor — PH PWB • PH paper edge sensor 1, 2 — PH PWB • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the PH slide motor The PH slide motor is faulty. Execute U240 [Motor] > [Punch Move]. If the PH slide motor does not operate properly, replace the DF staple unit. Maintenanc e Mode List
    5 Checking the PH paper edge sensors 1, 2 PH paper edge sensors 1, 2 are not properly attached, or they are faulty. Reattach PH paper edge sensor 1 or 2, then check the sensor operation by executing U241. If PH paper edge sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List
    6 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8430
  • Description: Main program error / Punch unit communication error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher (When punch unit is installed)
  • Causes: The communication could not succeed after confirming the connection with the punch unit.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • PH PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the PH PWB The PH PWB is faulty. Replace the PH PWB. Detaching and reattaching the PH PWB (PH-7A/C/D Installation Guide)
    3 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8500
  • Description: Main program error / Mail Box communication error
    Object: 4000-sheet finisher with the mail box
  • Causes: The communication failed after confirming the connection with the mail box.
  • Remedy: 1 Resetting the main power The PWB malfunctions. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • MT PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the MT PWB The MT PWB is faulty. Replace the MT PWB.
    4 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8510
  • Description: MB conveying motor error 1
    Object: 4000-sheet finisher with the mail box
  • Causes: The MT home position sensor does not turn on after passing 10s during the initial operation.
  • Remedy: 1 Checking the MT conveying roller The MT conveying roller is not assembled properly. If the MT conveying roller is not rotated manually, repair the part that restricts the operation.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • MT conveying motor — MT PWB • MT home position sensor — MT PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the MT conveying motor The MT conveying motor is faulty. Execute U240 [Mail Box] > [Conv]. If the MT conveying motor does not operate properly, replace it. Maintenanc e Mode List
    4 Checking the MT home position sensor The MT home position is not properly attached, or it is faulty. Reattach the MT home position sensor, then execute U241 [Mail Box] > [Motor HP]. If the MT home position sensor does not operate properly, replace it. Maintenanc e Mode List
    5 Replacing the MT PWB The MT PWB is faulty. Replace the MT PWB.
  • Code: C8520
  • Description: MB conveying motor error 2
    Object: 4000-sheet finisher with the mail box
  • Causes: The MT home position sensor does not turn off after passing 2s during the standby operation.
  • Remedy: 1 Checking the MT conveying roller The MT conveying roller is not assembled properly. If the MT conveying roller is not rotated manually, repair the part that restricts the operation.
    2 Checking the MT conveying roller drive parts The MT conveying roller drive parts are not properly attached, or they are faulty. Reattach the MT conveying roller drive parts.
    3 Replacing the MT conveying roller drive parts The MT conveying roller drive parts are faulty. Replace the MT conveying roller drive parts.
    4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • MT conveying motor — MT PWB • MT home position sensor — MT PWB Service Manual — Section 8 ‘PWBs’
    5 Replacing the MT conveying motor The MT conveying motor is faulty. Execute U240 [Mail Box] > [Conv]. If the MT conveying motor does not operate properly, replace it. Maintenanc e Mode List
    6 Checking the MT home position sensor The MT home position is not properly attached, or it is faulty. Reattach the MT home position sensor, then execute U241 [Mail Box] > [Motor HP]. If the MT home position sensor does not operate properly, replace it. Maintenanc e Mode List
    7 Replacing the MT PWB The MT PWB is faulty. Replace the MT PWB.
  • Code: C8600
  • Description: DF adjusting release motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF adjusting release HP sensor was not detected when driving the DF adjusting release motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF adjusting release motor — DF PWB EDF adjusting release HP sensor — DF PWB
    2 Replacing the DF adjusting release motor The DF adjusting release motor is faulty. Execute U240 mMotorn > mMatch Pressure] Replace the DF adjusting release motor if it does not operate properly.
    3 Replacing the adjusting release HP sensor The DF adjusting release HP sensor is faulty. Execute U241 mFinishern > mMatch Coro HP] Replace the DF adjusting release HP sensor if it does not operate properly.
    4 Replacing BF PWB BF PWB is faulty. Replace BF PWB.
  • Code: C8610
  • Description: DF pull-in guide release motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF pull-in guide release HP sensor was not detected when driving the DF pull-in guide release motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF pull-in guide release motor — DF PWB EDF pull-in guide release HP sensor — DF PWB
    2 Replacing the DF pull-in guide release motor The DF pull-in guide release motor is faulty. Execute U240 mMotorn > mBeatn Replace the DF adjusting release motor if it does not operate properly.
    3 Replacing the DF pull-in guide release HP sensor The DF pull-in guide release HP sensor is faulty. Execute U241 mFinishern > mRear Beat HPn Replace the DF adjusting release HP sensor if it does not operate properly.
    4 Replacing BF PWB BF PWB is faulty. Replace BF PWB.
  • Code: C8620
  • Description: DF pull-in pulley pressure release motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF pull-in pulley pressure release HP sensor was not detected when driving the DF pull-in pulley pressure release motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF pull-in guide release HP sensor — DF PWB EDF pull-in guide release HP sensor — DF PWB
    2 Replacing the DF pull-in pulley pressure release motor The DF pull-in pulley pressure release motor is faulty. Execute U240 mMotorn > mPull Pressuren Replace the DF pull-in pulley pressure release motor if it does not operate properly.
    3 Replacing the DF pull-in guide release HP sensor The DF pull-in pulley pressure release HP sensor is faulty. Execute U241 mFinishern > mPull Coro HPn Replace the DF pull-in pulley pressure release HP sensor if it does not properly operate.
    4 Replacing BF PWB BF PWB is faulty. Replace BF PWB.
  • Code: C8630
  • Description: Eject pressure release motor error
    Object: 100-sheet staple finisher
  • Causes: Change of the eject pressure release HP switch was not detected when driving the eject pressure release motor for 3s in the direction of HP sensor change.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF eject pressure release motor — DF PWB EDF eject pressure release HP sensor — DF PWB
    2 Replacing the DF eject pressure release motor The DF eject release motor is faulty. Execute U240 mMotorn > mEject Unlockn Replace the DF eject release motor if it does not operate properly.
    3 Checking the DF eject pressure release sensor The DF eject pressure release sensor is not attached properly or faulty. Reattach the DF eject pressure release HP sensor and execute U241 mFinishern > mEject Press HPn. Replace the DF eject pressure release HP sensor if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8640
  • Description: DF side registration motor 1 error
    Object: 100-sheet staple finisher
  • Causes: Change of DF side registration HP sensor 1 was not detected when driving the DF side registration motor 1 for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF side registration motor 1 — DF PWB EDF side registration HP sensor 1 — DF PWB
    2 Replacing DF side registration motor 1 The connector is not properly connected. Or the wire is faulty. Execute U240 mMotorn > mWidth Testn Replace DF side registration motor 1 if it does not operate properly.
    3 Checking DF side registration HP sensor DF side registration motor 1 is faulty. DF side registration sensor 1 is not properly attached or faulty. Reattach DF side registration sensor 1 and execute U241 [Finisher] > [Width Front HP]. Replace DF side registration HP sensor 1 if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8650
  • Description: DF side registration motor 2 error
    Object: 100-sheet staple finisher
  • Causes: Change of DF side registration HP sensor 2 was not detected when driving the DF side registration motor 2 for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF side registration motor 2 — DF PWB EDF side registration HP sensor 2 — DF PWB
    2 Replacing DF side registration motor 2 The DF side registration motor 2 is faulty. Execute U240 mMotorn > mWidth Testn Replace DF side registration motor 2 if it does not operate properly.
    3 Checking the DF side registration HP sensor 1 DF side registration sensor 2 is not properly attached or faulty. Reattach DF side registration sensor 2 and execute U241 [Finisher] > [Width Tail HP]. Replace DF side registration motor 2 if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8700
  • Description: DF bundle eject motor 1 error
    Object: 100-sheet staple finisher
  • Causes: Change of DF bundle eject HP sensor 1 was not detected when driving the DF bundle eject motor 1 for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF bundle eject motor 1 — DF PWB EDF bundle eject HP sensor 1 — DF PWB
    2 Replacing DF bundle eject motor 1 The bundle eject motor 1 is faulty. Execute U240 mMotorn > mBundle Upn Replace the DF bundle eject motor 1 if it does not operate properly.
    3 Checking the DF paper stack eject sensor The DF bundle eject HP sensor 1 is not attached properly or faulty. DF PWB is faulty. Reattach the DF bundle eject HP sensor 1 and execute U241 mFinishern > mBundle Eject HP1n. Replace the DF bundle eject HP sensor 1 if it does not properly operate.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8710
  • Description: DF bundle eject motor 2 error
    Object: 100-sheet staple finisher
  • Causes: Change of DF bundle eject HP sensor 2 was not detected when driving the DF bundle eject motor 2 for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF bundle eject motor 2 — DF PWB EDF bundle eject HP sensor 2 — DF PWB
    2 Replacing DF bundle eject motor 2 The bundle eject motor 2 is faulty. Execute U240 mMotorn > mBundle Upn Replace the DF bundle eject motor 2 if it does not operate properly.
    3 Checking the DF bundle eject HP sensor 2 The DF bundle eject HP sensor 2 is not attached properly or faulty. Reattach the DF bundle eject HP sensor 2 and execute U241 mFinishern > mBundle Eject HP2n. Replace the DF bundle eject HP sensor 2 if it does not properly operate.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8720
  • Description: DF eject paddle motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF eject paddle HP sensor was not detected when driving the DF eject paddle motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF eject paddle motor — DF PWB EDF eject paddle HP sensor — DF PWB
    2 Replacing the DF paddle motor The DF paddle motor is faulty. Execute U240 mMotorn > mTray Eject Paddlen Replace the DF eject paddle motor if it does not operate properly.
    3 Checking the DF eject sensor The DF eject paddle sensor is not properly attached or faulty. Reattach the DF eject paddle HP sensor and execute U241 [Finisher] > [Eject Paddle HP]. Replace the DF eject paddle HP sensor if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8730
  • Description: DF eject paper trailing edge holding motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF eject paper trailing edge holding HP sensor was not detected when driving the DF eject paper trailing edge holding motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF eject paper trailing edge holding motor — DF PWB EDF eject paper trailing edge holding HP sensor — DF PWB
    2 Replacing the DF eject paper trailing edge holding motor The DF eject paper trailing edge holding motor is faulty. Execute U240 mMotorn > mPress Papern Replace the DF eject paper trailing edge holding motor if it does not operate properly.
    3 Checking the DF eject paper trailing edge holding HP sensor DF eject paper holding sensor is not properly attached or faulty. Reattach the DF exit paddle HP sensor and execute U241 [Finisher] > [Press Paper HP]. Replace the DF eject paper trailing edge holding HP sensor if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8740
  • Description: DF eject support guide motor error
    Object: 100-sheet staple finisher
  • Causes: Change of DF eject support guide HP sensor was not detected when driving the DF support guide motor for 3s in the direction of HP sensor change
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF eject holding guide motor — DF PWB EDF eject holding guide HP sensor — DF PWB
    2 Replacing the DF eject support guide motor DF eject support guide motor is faulty. Execute U240 mMotorn > mEject Guiden Replace the DF eject support guide motor if it does not operate properly.
    3 Replacing the DF eject support guide HP sensor DF bundle support guide sensor is not attached properly or faulty. DF PWB is faulty. Reattach the DF eject support guide HP sensor and execute U241 mFinishern > mEject Guiden. Replace the DF eject paper trailing edge holding HP sensor if it does not operate properly.
    4 Replacing the DF PWB The DF PWB is faulty. Replace DF PWB. After replacing the PWB, upgrade the firmware to the latest version. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8800
  • Description: Main program error / Engine — DF communication error (DF)
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher
  • Causes: 1. When turning on the power, there was an error in the main program.
    2. The communication error between the Engine and DF is detected 10 times continuously.
    3. The ready signal is not notified from the DF within 6s after the communication starts.
  • Remedy: 1 Resetting the main power The program does not start up properly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    2 Firmware upgrade The firmware is not the latest version. Upgrade the DP firmware to the latest version. Firmware Update
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DF PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    4 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
    5 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    6 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C8810
  • Description: DF-SubCPU communication error
    Object: 100-sheet staple finisher
  • Causes: Communication with SubCPU fails 3 times continuously.
  • Remedy: 1 Firmware upgrade The firmware is not the latest version. Upgrade the DF firmware to the latest version.
    2 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8900
  • Description: DF backup error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher, 100-sheet staple finisher (For internal counting)
  • Causes: Write data and the read data mismatch 3 times continuously.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EDF PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Upgrade the firmware by using the latest upgrade pack immediately after replacing the DF PWB. Detaching and reattaching the DF PWB Firmware Update
  • Code: C8930
  • Description: BF unit backup error
    Object: 1000-sheet finisher, 4000-sheet finisher, Inner finisher, 100-sheet staple finisher (For internal counting)
  • Causes: Write data and read data mismatch 3 times continuously.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminals of the wire connector and reinstall it. If there is no continuity, replace the wire. EBF PWB — DF PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing BF PWB BF PWB is faulty. Replace BF PWB.
    3 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version
  • Code: C9000
  • Description: Main program error / DP communication error
    Object: Document processor
  • Causes: The document processor cannot be communicated.
  • Remedy: 1 Firmware upgrade The firmware version between the main unit and the document processor mismatches. Upgrade the firmware for the main unit and the document processor to the latest version. Firmware Update
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP PWB — Engine PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
    4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C9040
  • Description: DP lift motor ascend error
    Object: Dual scan DP and mechanically reversed DP with the DP feed belt
  • Causes: Turning on of the DP lift upper limit sensor could not be detected after passing 3000 pulses during the DP lift motor ascend drive. That status was continued 5 times or more.
  • Remedy: 1 Checking the original lift plate The original lift plate is not attached properly. Or, the fulcrum located at the back side of the machine for the original lift plate is broken. If the original lift plate does not move up and down manually, repair the position where there is stuck. If damaged, replace it.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP lift motor — DP PWB • DP lift upper limit sensor — DP PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DP lift motor The DP lift motor is faulty. Execute U243 [Lift Motor]. If the DP lift motor does not operate properly, replace it. Maintenanc e Mode List
    4 Checking the DP lift upper limit sensor The DP lift upper limit sensor is not properly attached, or it is faulty. Reattach the DP lift upper limit sensor and execute U244 [Lift U-Limit]. If the sensor does not operate properly, replace it. Maintenanc e Mode List
    5 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
  • Code: C9050
  • Description: DP lift motor descend error
    Object: Dual scan DP and mechanically reversed DP with the DP feed belt
  • Causes: Turning on of the DP lift lower limit sensor could not be detected after passing 3000 pulses during the DP lift motor descend drive. (The recovery is 3 times.)
  • Remedy: 1 Checking the original lift plate The DP original lift plate is not properly attached. If the original lift plate does not move up and down manually, repair the position where restricts the operation.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP lift motor — DP PWB • DP lift lower limit sensor — DP PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DP lift motor The DP lift motor is faulty. Execute U243 [Lift Motor]. If the DP lift motor does not operate properly, replace it. Maintenanc e Mode List
    4 Checking the DP lift lower limit sensor The DP lift lower limit sensor is not properly attached, or it is faulty. Reattach the DP lift lower limit sensor and execute U244 [Lift L-Limit]. If the sensor does not operate properly, replace it. Maintenanc e Mode List
    5 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
  • Code: C9060
  • Description: DP EEPROM error
    Object: Document processor
  • Causes: The writing data and the reading data into the EEPROM mismatch.
  • Remedy: 1 Checking the EEPROM The EEPROM is not properly installed. Reattach the EEPROM on the DP PWB. Detaching and reattaching the DF PWB
    2 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
    3 Replacing the EEPROM The EEPROM is faulty. Replace the EEPROM on the DP PWB, then execute U411. Detaching and reattaching the DF PWB Maintenanc e Mode List
  • Code: C9070
  • Description: DP — SHD communication error
    Object: Dual scan DP
  • Causes: The communication error between the DP PWB and the DP SHD PWB is detected during the communication.
  • Remedy: 1 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP SHD PWB — DP PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the DPSHD PWB The DPSHD PWB is faulty. Replace the DPSHD PWB.
    3 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
  • Code: C9080
  • Description: LED failure detection
    Object: Dual scan DP For internal count
  • Causes: After 4 blocks of the LED lamps of the DPCIS are lit when turning on the power, the acquired peak value of some blocks is the reference value or less.
  • Remedy: 1 Checking the LED lamp The LED lamp of the DPCIS does not light. Execute U203 to confirm that the LED lamp of the DPCIS does not light. Go to the next step. Maintenanc e Mode List
    2 Checking the DPSHD PWB The DPSHD PWB is not properly connected. Reconnect the DPSHD PWB to the DPCIS.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • DP SHD PWB — DP PWB Service Manual — Section 8 ‘PWBs’
    4 Executing U411 DP scanning is not properly adjusted. Execute U411 [DP FD(ChartB)] and [DP FD(ChartA)]. Maintenanc e Mode List
    5 Replacing the DPCIS The DPCIS is faulty. Replace the DPCIS, and then execute U091 and U411. Detaching and reattaching the DP CIS Maintenanc e Mode List
    6 Replacing the DPSHD PWB The DPSHD PWB is faulty. Replace the DPSHD PWB.
  • Code: C9180
  • Description: DP feed-shift motor error
    Object: Mechanically reversed DP with the DP feed belt
    Remarks: When detecting the DP feed-shift motor error (C9180) (up to 2 times), display J9002.
  • Causes: HP can’t be detected even after the retrying process for the HP detection of the DP feed-shift guide for 3 times continuously. * HP detection of the DP feed-shift guide: When the DP feed-shift motor moves to HP, if HP can’t be detected even driving the DP feed-shift motor for 1 round, the retry is done.
  • Remedy: 1 Removing the original The original accordion jam in the guide between the DP reversing tray and the DP registration roller (The position is not visible when the DP upper cover is opened) Remove the original which is stuck in the guide between the DP reversing tray and DP registration roller.
    2 Cleaning the original conveying guide. Sticky foreign objects adhere to the original conveying guide Clean the original conveying guide.
    3 Resetting the main power The DP feed-shift motor is not controlled correctly. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on.
    4 Checking the DP feed-shift motor The DP feed-shift motor is not rotated correctly. Or, there is an excess load. After removing the DP feed-shift motor and repair it by rotating the drive section manually, reattach it.
    5 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the connector terminal of the wire and reconnect. If there is no continuity, replace the wire. EDP feed-shift motor — DP PWB EDP feed-shift sensor — DP PWB Service Manual — Section 8 ‘PWBs’
    6 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    7 Replacing the DP feed-shift motor The DP feed-shift motor is faulty. Replace the DP feed-shift motor.
    8 Checking the DP feed-shift sensor The DP feed-shift sensor is not attached properly or faulty. Reattach the DP feed-shift sensor. If not repaired, replace it.
    9 Replacing the DP PWB The DP PWB is faulty. Replace the DP PWB. Detaching and reattaching the DF PWB
  • Code: C9500
  • Description: Image processing PWB error (Scanner)
  • Causes:
  • Remedy: 1 Checking the connection FFC is not connected properly. Or it is faulty. Clean the FFC terminals of the following FFC and reconnect them. If the FFC terminal is deformed or broken, replace the FFC. • Engine PWB — Main PWB Service Manual — Section 8 ‘PWBs’
    2 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    3 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: C9510
  • Description: Image processing circuit error (DP)
  • Causes:
  • Remedy: 1 Checking the DP relay PWB The DP relay PWB is not properly attached. Reattach the DP relay PWB.
    2 Checking the connection The SATA cable is not properly connected, or it is faulty. Reconnect the connector of the following SATA cable. If there is no continuity, replace the SATA cable. • DP SHD PWB — DP relay PWB Service Manual — Section 8 ‘PWBs’
    3 Replacing the DPSHD PWB The DPSHD PWB is faulty. Replace the DPSHD PWB.
    4 Replacing the DP relay PWB The DP relay PWB is faulty. Replace the DP relay PWB.
    5 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: C9540
  • Description: Backup data error
  • Causes: When multiple parts are replaced at the same time, the internal data is changed and it interferes with the machine operation. Consequently, the main unit cannot recover.
  • Remedy: 1 Checking the PWB Multiple PWBs were replaced at the same time. Recover to the original, if 2 or more of the following related parts were replaced at the same time. • Related parts: Memory, each PWB
    2 Checking the unit Multiple units were replaced at the same time. Be sure not to perform the following works at the same time when the memory or each PWB is replaced. • Replacing the drum unit or the developer unit • Relocating the drum units to other color’s position inside a main unit
  • Code: F000
  • Description: Communication error between the main unit and CPU
  • Causes: The panel cannot be detected since the CPU communication between the main PWB and the operation panel main PWB is unavailable.
  • Remedy: 1 Resetting the main power The communication between the main PWB and the operation panel main PWB is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection The connector is not connected properly. Or, the wire or the SATA cable is faulty. Clean the below wire, the terminal of SATA cable connector and reconnect them. If there is no continuity, replace the wire. • Main PWB — Operation panel main PWB Service Manual — Section 8 «PWBs»
    3 Executing U021 The backup RAM data is faulty. Execute U021 to initialize the backup RAM data. Maintenanc e Mode List
    4 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    5 Replacing the operation panel main PWB The operation panel main PWB is faulty. Replace the panel main PWB. Detaching and reattaching the Operation Panel Main PWB
  • Code: F010
  • Description: Program read error (SSD)
  • Causes: The garbled 2bit data was detected during the program read from the flash memory.
  • Remedy: 1 (When the service call error appears after replacing the SSD) Replacing the SSD along the correct procedures The firmware is not stored in the SSD. Insert the USB memory device containing all released firmware into the main unit, and turn the main power on. Firmware Update
    2 Checking the SSD (if lit after replacing the SSD) An SSD out of specification is installed. Install the SSD matching the memory capacity specification.
    3 Resetting the main power The communication between the main PWB and the operation panel main PWB is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    4 Checking the SSD The SSD is not installed properly. Check if there is an error on the terminal of the SSD and Clean. After that, reconnect SSD. Detaching and reattaching the SSD
    5 Checking the connection The connector is not connected properly. Or, the wire or the SATA cable is faulty. Clean the below wire, the terminal of SATA cable connector and reconnect them. If there is no continuity, replace the wire. • Main PWB — Operation panel main PWB Service Manual — Section 8 «PWBs»
    6 Executing U021 The backup RAM data is faulty. Execute U021 to initialize the backup RAM data. Maintenanc e Mode List
    7 Replacing the SSD The SSD is faulty. Execute U026 to back up the SSD data. After that, replace SSD and turn on the power while USB memory that contains the firmware for the appropriate model is inserted to the main unit. Maintenanc e Mode List Detaching and reattaching the SSD
    8 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
  • Code: F020
  • Description: System memory error (RAM reading/writing error or CPU memory error)
  • Causes: The error appears during the reading/writing check of the RAM for the CPU when the main unit starts up.
  • Remedy: 1 Resetting the main power The communication between the main PWB and the operation panel main PWB is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Executing U021 The backup RAM data is faulty. Execute U021 to initialize the backup RAM data. Maintenanc e Mode List
    3 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB. Service Manual — Section 8 «PWBs» Detaching and reattaching the Main PWB
  • Code: F021
  • Description: System memory error (RAM reading/writing error or ASIC memory error)
  • Causes: Error occurred when checking read/write of RAM for main PWB ASIC at start up.
  • Remedy: 1 Resetting the main power The main PWB does not properly start up. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Executing U021 The backup RAM data is faulty. Execute U021 to initialize the backup RAM data. Maintenanc e Mode List
    3 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB. Service Manual — Section 8 «PWBs» Detaching and reattaching the Main PWB
  • Code: F022
  • Description: System memory error (RAM read/write error, or ASIC memory error)
  • Causes: Error occurred when checking read/write of RAM for DP relay PWB ASIC at start up.
  • Remedy: 1 Resetting the main power The main PWB does not properly start up. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Executing U021 The backup RAM data is faulty. Execute U021 to initialize the backup RAM data. Maintenanc e Mode List
    3 Checking the DP relay PWB DP relay PWB is not connected or installed properly. Reattach the DP relay PWB and tighten the screw. If not repaired, replace the DP relay PWB. DP-7110 Installation Guide
  • Code: F040
  • Description: Communication error between the main unit and CPU (Communication error between the controller and the print engine)
  • Causes: There is an error in the communication between the main PWB and the engine PWB.
  • Remedy: 1 Resetting the main power The communication between the controller and the print engine is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • Engine PWB (YC43) — Main PWB (YC63) • Engine PWB — Low voltage PWB (YC63) Service Manual — Section 8 «PWBs»
    3 Firmware upgrade The firmware is not the latest version. Upgrade the main firmware and the engine firmware to the latest version. Firmware Update
    4 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
    6 Replacing the low voltage PWB Power is not supplied from the low voltage PWB to the engine PWB. If there is no output of 5V and 24V from the low voltage PWB, replace the low voltage PWB. Detaching and reattaching the Low Voltage PWB
  • Code: F041
  • Description: Communication error between the main PWB and the scanner engine
  • Causes: There is an error in the communication between the main PWB and the engine PWB (Scanner).
  • Remedy: 1 Resetting the main power The communication between the controller and the scanner is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection The connector or FFC is not connected properly. Or, the wire or FFC is faulty. Reconnect the following wire connectors and reconnect the FFC. If there is no continuity, replace the wire. If the FFC terminal section is deformed or FFC is broken, replace the FFC. • Main PWB — Engine PWB Service Manual — Section 8 «PWBs»
    3 Firmware upgrade The firmware is not the latest version. Upgrade the main firmware and the engine firmware to the latest version. Firmware Update
    4 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: F050
  • Description: Engine main program error
  • Causes: The engine program cannot start up.
  • Remedy: 1 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    2 Resetting the main power The print engine ROM checksum is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    3 Checking the EEPROM The EEPROM is not properly attached. Reattach the EEPROM.
    4 Checking the engine PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the engine PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace it. If not resolved, replace the engine PWB. Service Manual — Section 8 «PWBs» Detaching and reattaching the Engine PWB
  • Code: F051
  • Description: Scanner engine program error
  • Causes: The scanner program cannot start up
  • Remedy: 1 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Update
    2 Resetting the main power The scanner engine RAM checksum is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    3 Checking the SSD The SSD is not installed properly. Reinstall SSD. Detaching and reattaching the SSD
    4 Checking the engine PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the engine PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace it. If not resolved, replace the engine PWB. Service Manual — Section 8 «PWBs» Detaching and reattaching the Engine PWB
  • Code: F052
  • Description: Panel engine program error
  • Causes: The panel program cannot start up.
  • Remedy: 1 Firmware upgrade The firmware is not the latest version. Upgrade the panel firmware to the latest version. Firmware Update
    2 Resetting the main power The panel RAM checksum is faulty. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the connector on the operation panel main PWB and reconnect the connector. If there is no continuity, replace the wire. Service Manual — Section 8 «PWBs»
    4 Replacing the operation panel main PWB The operation panel main PWB is faulty. Replace the panel main PWB. Detaching and reattaching the Operation Panel Main PWB
  • Code: F14E
  • Description: Error detection at FAX control section
  • Causes: If the communication between the main PWB and the FAX is interrupted, the signal is resent but it continues to wait until necessary signal comes in and locks up.
  • Remedy: 1 Resetting the main power As the power reset was performed instantly, an error occurred in the communication between the controller and the FAX. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection The FAX PWB is not connected properly. Clean the following connection terminals and reconnect the FAX PWB. EMain PWB — FAX PWB Service Manual — Section 8 «PWBs» FAX Installation Guide
    3 Firmware upgrade The firmware is not the latest version. Upgrade the fax firmware to the latest version. Firmware Update
    4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Installation Guide
  • Code: F186
  • Description: Abnormal detection in the Video control section
  • Causes: There is an error in the communication between the main PWB and the engine PWB.
  • Remedy: 1 Resetting the main power As the power reset was performed instantly, an error occurred in the communication between the controller and the engine. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection FFC is not connected properly. Or it is faulty. Clean the following FFC terminal of the FFC and reconnect. If the FFC terminal is deformed or FFC is short circuited, replace FFC. • Engine PWB (YC35) — Main PWB (YC43) Service Manual — Section 8 «PWBs»
    3 Firmware upgrade The firmware is not the latest version. Upgrade the main firmware and the engine firmware to the latest version. Firmware Update
    4 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching and reattaching the Main PWB
    5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching and reattaching the Engine PWB
  • Code: F278
  • Description: Error detection of the secondary power supply
  • Causes: The operation became unstable as the primary power supply temporarily drops off and recovers.
  • Remedy: 1 Resetting the main power The power reset was performed instantly. Turn off the power switch and the main power switch. After 5 seconds, turn on the main power switch and the power switch.
    2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the connector on the low voltage PWB and reconnect the connector of the wire. If there is no continuity, replace the wire. Service Manual — Section 8 «PWBs»
    3 Replacing the low voltage PWB The low voltage PWB is faulty. Replace the low voltage PWB. Detaching and reattaching the Low Voltage PWB

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  1. 04-30-2021


    #1

    TA 2552ci has C7001 error

    We brought this machine in because the professionally challenging customer was tired of the clicking noise the machine was making. They instead of us bringing out a loaner while we solved the problem with the machine. So, when the machine arrived, I removed the back so it would be easier to find the clicking noise. After removing the back, I switched the machine on and it went right to c7001.

    I took the drive unit out and put the vac on the waste toner areas. I have had the Toner Supply Drive Unit out and vacuumed it out till I got it as clean as I could. Put it all back together and still C7001.
    Kyocera support hasn�t too much help. They have only suggested doing what I have already done.

    Not sure what I�m missing here. Any help would be great.

    And as always, thanks in advance.


  2. 04-30-2021


    #2

    Re: TA 2552ci has C7001 error

    Quote Originally Posted by Samanator
    View Post

    We brought this machine in because the professionally challenging customer was tired of the clicking noise the machine was making. They instead of us bringing out a loaner while we solved the problem with the machine. So, when the machine arrived, I removed the back so it would be easier to find the clicking noise. After removing the back, I switched the machine on and it went right to c7001.

    I took the drive unit out and put the vac on the waste toner areas. I have had the Toner Supply Drive Unit out and vacuumed it out till I got it as clean as I could. Put it all back together and still C7001.
    Kyocera support hasn’t too much help. They have only suggested doing what I have already done.

    Not sure what I’m missing here. Any help would be great.

    And as always, thanks in advance.

    These do have waste toner problems there are a couple of technical bulletins best to replace waste assy they have removed a sensor on the new units also you get a clicking noise from the main drive assy also the transfer cleaning unit

    Regards Mark

    FOR TRADE AND END USER SERVICE CALLS PLEASE VISIT WEB SITE FOR CONTACT DETAILS. COVERING GREATER LONDON {UK} AND ALL SURROUNDING COUNTIES.

    RICOH, CANON, KYOCERA, KONICA, SHARP, HP/SAMSUNG BROTHER, LEXMARK.

    https://copierservices.simdif.com


  3. 04-30-2021


    #3

    Re: TA 2552ci has C7001 error

    C7001 refers to a toner container locked up and not rotating. It shouldn’t have anything having to do with the waste toner system.

    If you are able to, run U030 container mix motor, you might hear the clicking noise.

    There is a bulletin relating to the cartridge drive, I will post it if I can find it. You may even have a problem one of toner cartridges.

    Last edited by nathicana; 04-30-2021 at 08:53 PM.


  4. 04-30-2021


    #4

    Re: TA 2552ci has C7001 error

    Thanks guys.

    Kinda hard to run U030 when the machine has already C7001.


  5. 04-30-2021


    #5

    Re: TA 2552ci has C7001 error

    Quote Originally Posted by Samanator
    View Post

    Thanks guys.

    Kinda hard to run U030 when the machine has already C7001.

    I thought in some cases you could run maintenance modes when there is a c code. It would help you track down the noise.

    Here’s a couple of bulletins relating to clicking noises.


  6. 05-01-2021


    #6

    Re: TA 2552ci has C7001 error

    If you’d like a serious answer to your request:
    1) demonstrate that you’ve read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you’re going to ask about jams include the jam code.
    4) if you’re going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=


  7. 05-01-2021


    #7

    Re: TA 2552ci has C7001 error

    I bet your waste bottle isn’t turning. Vacuum the waste channel under the main drive, vacuum out the transfer unit or replace and replace the waste assy.


  8. 05-03-2021


    #8

    sparkycivic is offline


    Senior Tech

    250+ Posts


    Rep Power
    18

    Re: TA 2552ci has C7001 error

    use a magnet to trigger and remove the toner container solenoid connection cover(black cover to the right of the black toner). reach inside there and operate the toner door lever which will open all the doors.
    press the main front cover button to simulate the door being closed, power-on the machine and observe the containers rotating. Maybe you’ll see one that doesn’t turn and can investigate the drive system accordingly.


  9. 05-03-2021


    #9

    GeneOR95 is offline


    Senior Tech

    100+ Posts


    Rep Power
    13

    Re: TA 2552ci has C7001 error

    Quote Originally Posted by Samanator
    View Post

    Thanks guys.

    Kinda hard to run U030 when the machine has already C7001.

    Turn machine off, unplug. Allow all capacitors to bleed down. Open front door, plug in, turn on and start entering service code until it enters service mode. Close front door and run maintenance modes.


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Сообщение {$EX} » Пн окт 17, 2011 11:29 am

Изменить размер шрифта ↓ВернутьИзменить размер шрифта ↑• Toner motor is overloaded. TNMOC is detected by sampling every other 100 ms in 2 seconds since the main and toner motors are activated following the Replace toner Clean printer message after the “Toner low” is detected.

Перегружается мотор подмеса тонера. Попробуй поставить другой картридж.
не поможет,почисть коротрон

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    Вт ноя 02, 2021 2:24 pm
  • [SCANNER ERROR] Lamp Error Kyocera FS-1016

    мастерчип в форуме Принтеры, МФУ, факсы, копиры формата A4

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    Усатый Полосатый
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    Вс окт 28, 2018 11:08 pm
  • Kyocera Ecosys M2635dn «поворот» изображения

    Искатель в форуме Принтеры, МФУ, факсы, копиры формата A4

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    MatrixAgent
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    Ср апр 08, 2020 5:18 am
  • Стирание вала ведущей шестерни в «печке» Kyocera M2035dn

    Грецкий орех в форуме Принтеры, МФУ, факсы, копиры формата A4

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    Пн дек 13, 2021 3:35 pm

Вернуться в Принтеры, МФУ, факсы, копиры формата A4

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  • Code: 0030
  • Description: FAX control PWB system error
    Processing with the fax software was disabled due to a software problem.
  • Remedy: FAX control PWB: 1. Turn the main power swtch off and after 5 seconds, re-mount the FAX controller PWB, then turn power on. 2. Reinstall the fax software. 3. Replace the FAX control PWB.
  • Code: 0070
  • Description: FAX control PWB incompatible detection error
    Abnormal detection of FAX control PWB incompatibility In the initial communication with the FAX control PWB, any normal communication command is not transmitted.
  • Remedy: FAX control PWB (The FAX PWB installed will not be the one designed for the machine.): 1. Install the FAX system designed for the model. 2. Reinstall the fax software.
  • Code: 0080
  • Description: Option printing system device error.
    The version of the FPGA for Fiery control is not readable. (Defective FPGA)
  • Remedy: Defective FPGA for printing system control.: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Replace the main PWB
  • Code: 0100
  • Description: Backup memory device error
  • Remedy: EEPROM(main PWB): 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the EEPROM on the main circuit PWB is peroperly installed on the main circuit PWB and, if not, re-install it. 3. Replace the main PWB.
  • Code: 0120
  • Description: MAC address data error
    For data in which the MAC address is invalid.
  • Remedy: EEPROM(main PWB): 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check the MAC address on the network status page. 3. If it is blank, obtain an EEPROM with its MAC address written from the service support and install. 4. Replace the main PWB.
  • Code: 0150
  • Description: Backup memory read/write error (engine PWB)
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: EEPROM(Engine PWB): 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the EEPROM is peroperly installed on the engine PWB and reinstall it. 3. Replace the engine PWB. 4. Check the EEPROM and if the data are currupted, contact the service support.
  • Code: 0160
  • Description: Backup memory data error (engine PWB)
    Reading data from EEPROM is abnormal.
  • Remedy: EEPROM: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Execute U021 — memory initializing 3. If the EEPROM data are currupted, contact the service support.
  • Code: 0170
  • Description: Billing counting error
    The values on the main circuit PWB and on the engine do not match for any of charging counter, life counter, and scanner counter.
  • Remedy: EEPROM: 1. Check that the EEPROMs installed in the main PWB and the engine PWB are correct and, if not, use the correct EEPROM for the model. 2. If the EEPROM data are currupted, contact the service support.
    Main PWB: Replace the main PWB.
    Engine PWB: Replace the engine PWB
  • Code: 0180
  • Description: Machine number mismatch
    Machine number of main and engine does not match.
  • Remedy: Data damage of EEPROM: 1. Confirm the machine data for the main and engine units by using U004. 2. If the serial number data of different models is alternately displayed, install the correct EEPROM in the PWB of the wrong serial number data. 3. Contact the Service Support.
  • Code: 0350
  • Description: Panel PWB communication error (electronic volume I2C communication error)
    NACK is received during I2C communication -> retried 5 times -> rebooting command sent -> retried 5 times If NACK is still received.
  • Remedy: Operation PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Operation PWB (YC10) and Main PWB (YC6) 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
    Main PWB: Replace the main PWB.
  • Code: 0620
  • Description: FAX image DIMM error
    1. The Fax image DIMM has not been installed. 2. Fax image DIMM access error.
  • Remedy: FAX image DIMM: 1. Install the FAX image DIMM supplied in the FAX system onto the main PWB. 2. Firmly install the FAX image DIMM again onto the main board. 3. Check the FAX image DIMM terminals and remove any foreign objects that may be adhered to it. 4. Replace with a new FAX image DIMM.
  • Code: 0630
  • Description: DMA error
    DMA transmission of image data does not complete within the specified period of time.
  • Remedy: DP CIS: 1. Reconnect the CIS signal line. 2. Confirm that the CIS connector terminals are firmly connected. Insert the connector all the way in. 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
    DP main PWB: Main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. If the wiring is disconnected, shorted or grounded, replace the wiring. Wiring that connects the CIS and the DP controller PWB. Wiring that connects the DP main PWB and the main PWB. 3. Replace the DP main PWB. 4. Replace the main PWB.
  • Code: 0640
  • Description: Hard disk error
    The hard disk cannot be accessed.
  • Remedy: HDD: 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 (45/55 ppm model) 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
    Main PWB: Replace the main PWB
  • Code: 0650
  • Description: FAX image DIMM check error
    A fax image DIMM which was used with another machine is installed.
  • Remedy: FAX DIMM: 1. Confirm that a used FAX image DIMM was used instead of the FAX image DIMM contained in the FAX system. 2. If a DIMM that was used with other unit has been installed, execute maintenance mode U671 — Recovery FAX DIMM. 3. Check whether the Fax DIMM is properly inserted into the socket on the main PWB. 4. Replace with a new FAX image DIMM.
    Main PWB: Replace the main PWB.
  • Code: 0660
  • Description: Hard disk encryption key error
  • Remedy: EEPROM: 1. Execute U004 if this occurs after the EEPROM has been changed.
    HDD: 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 (45/55 ppm model) 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
    Main PWB: Replace the main PWB
  • Code: 0670
  • Description: Hard disk overwriting erasure error
  • Remedy: HDD: 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 (45/55 ppm model) 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
    Main PWB: Replace the main PWB.
  • Code: 0800
  • Description: Image processing error
    JAM010X is detected twice.
  • Remedy: Main PWB: Replace the main PWB
  • Code: 0830
  • Description: FAX control PWB flash program area checksum error
    A checksum error occurred with the program of the FAX control PWB.
  • Remedy: FAX software: 1. Reinstall the fax software.
    FAX control PWB: 1. Execute initializing by U600. 2. Replace the FAX control PWB.
  • Code: 0840
  • Description: Faults of RTC
    (“Time for maintenance T” is displayed) [Check at power up] The RTC setting has reverted to a previous state. The machine has not been powered for 5 years (compared to the settings stored periodically in the EEPROM). The RTC setting is older than 00:01 on January 1, 2000. [Checked periodically (in 5- minute interval) after powered up] The RTC setting has reverted to a state older than the last time it was checked. 10 minutes have been passed since the previous check. After C840 is detected, the machine enters in disconnection mode after the main power switch has been switched on and off and indicates ‘Maintenance T.’
  • Remedy: Battery ( main PWB): 1. Make sure that the back-up batteries on the main PWB are not short-circuited. 2. Reset Maintenance T by executing U906 . 3. If the same C call is displayed when power is switched on and off, replace the back up battery. 4. If communication error (due to a noise, etc.) is present with the RTC on the main circuit PWB, check the PWB is properly grounded.
    Main PWB: Replace the main PWB
  • Code: 0870
  • Description: PCFAX control PWB to main PWB high capacity data transfer error
    High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times.
  • Remedy: FAX control PWB: 1. Turn the main power swtch off and after 5 seconds, re-mount the FAX controller PWB, then turn power on. 2. Replace the FAX control PWB.
    HDD: Execute U024 to initialize the HDD.
    Main PWB: Replace the main PWB
  • Code: 0920
  • Description: Fax file system error
    The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
  • Remedy: FAX control PWB: 1. Execute initializing by U600 (Refer to the FAX service manual). 2. Replace the FAX control PWB.
  • Code: 0980
  • Description: 24 V power down detect
    If a 24V power disconnection signal is observed and a 12V power disconnection signal is observed simultaneously for one second.
  • Remedy: Power source PWB: 1. Check the +24V output is given at YC12- 1 to 3 of the power circuit PWB. 2. Replace the power source PWB
  • Code: 1000
  • Description: MP lift motor error
    If the MP lift sensor 1 (upper limit detect) or 2 (bottom detect) is not detectable to be turned on while the MP lift motor is ascending or descending.
  • Remedy: Manual feed lift base elevating mechanism: 1. Check that the paper lift base of the manual feed tray can smoothly ascend and descent, if not, repair or replace. 2. Check that the lift lever is located so that it can ascend or descend by the lift motor cam and that it not damaged and, if necessary, re-install or replace the manual feed table.
    MP lift motor: 1. Check that the paper elevator has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MP lift motor and Relay PWB (YC3) Relay PWB (YC12) and Feed PWB1 (YC17) Feed PWB1 (YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the MP lift motor.
    MP lift sensor1 MP lift sensor2: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MP lift sensor1,2 and Relay PWB (YC3) Relay PWB (YC12) and Feed PWB1(YC17) Feed PWB1 (YC1) and Engine PWB (YC6) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the MP lift sensor1 or MP lift sensor2.
    Feed PWB 2: Replace the Feed PWB 2.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 1010
  • Description: Lift motor 1 error
    After cassette 1 is inserted, lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. The lock signal of the motor is detected continuously for 1 s. This error is detected 5 times successively.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    Lift motor 1: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Lift motor 1 and Feed PWB 2 (YC3) Feed PWB 2 (YC1) and Engine PWB (YC4) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the lift motor 1.
    Lift sensor 1: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Lift sensor 1 and Feed PWB 2 (YC8) Feed PWB 2 (YC1) and Engine PWB (YC4) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the lift sensor1.
    Feed PWB 2: Replace the Feed PWB 2.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 1020
  • Description: Lift motor 2 error
    After cassette 2 is inserted, lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. The lock signal of the motor is detected continuously for 1 s. This error is detected 5 times successively.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    Lift motor 2: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Lift motor 2 and Feed PWB 2 (YC3) Feed PWB 2 (YC1) and Engine PWB (YC4) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the lift motor 2.
    Lift sensor 2: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Lift sensor 2 and Feed PWB 2 (YC8) Feed PWB 2 (YC1) and Engine PWB (YC4) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the lift sensor2.
    Feed PWB 2: Replace the Feed PWB 2.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 1030
  • Description: PF lift motor 1 error (paper feeder)
    After cassette 3 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    PF Lift motor 1: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 1 and main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. PFReplace the lift motor 1.
    PF Lift sensor 1: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor 1 and PF main PWB (YC7) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the lift sensor 1.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1040
  • Description: PF lift motor 2 error (paper feeder)
    After cassette 4 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    PF Lift motor 2: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 2 and PF main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF Lift motor2.
    PF Lift sensor 2: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor 2 and PF main PWB (YC7) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the PF Lift sensor 2.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1050
  • Description: SM lift motor error (side multi tray)
    [45 ppm/55 ppm model] After cassette 5 is inserted, SM lift sensor does not turn on within 12 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    SM Lift motor: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM Lift motor and SM main PWB (YC5) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the SM Lift motor.
    SM Lift sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM Lift sensor and SM main PWB (YC7) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the SM Lift sensor.
    SM main PWB: Replace the SM main PWB (Refer to the service manual for the paper feeder).
  • Code: 1060
  • Description: PF lift motor 1 error (side paper feeder)
    [45 ppm/55 ppm model] After cassette 6 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection. *:The lift over-current protection monitor signal has been detected for 200ms or longer where LFC is installed.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace. PF Lift motor 1: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 1 and PF main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the lift motor 1.
    PF Lift sensor 1: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor1 and PF main PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the lift sensor 1.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1070
  • Description: PF lift motor 2 error (side paper feeder)
    [45 ppm/55 ppm model] After cassette 7 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection. *:The lift over-current protection monitor signal has been detected for 200ms or longer where LFC is installed.
  • Remedy: Cassette lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    PF Lift motor2: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 2 and PF main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF Lift motor2
    PF Lift sensor2: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor 2 and PF main PWB (YC4) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. PFReplace the lift sensor2.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1100
  • Description: PF lift motor 1 error (large capacity feeder)
    After cassette 3 is inserted, PF lift sensor 1 does not turn on within 23 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 200 ms or more 5 times successively. However, the first 1 s after PF lift motor 1 is turned on is excluded from detection.
  • Remedy: Paper feeder lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    PF Lift motor1: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 1 and PF main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF lift motor1.
    PF Lift sensor1: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor 1 and PF main PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the PF lift sensor1.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1110
  • Description: PF lift motor 2 error (large capacity feeder)
    After cassette 4 is inserted, PF lift sensor 2 does not turn on within 23 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 200 ms or more 5 times successively. However, the first 1 s after PF lift motor 2 is turned on is excluded from detection.
  • Remedy: Paper feeder lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    PF Lift motor 2: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift motor 2 and PF main PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF Lift motor2.
    PF Lift sensor2: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF Lift sensor 2 and PF main PWB (YC4) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the PF Lift sensor 2.
    PF main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1140
  • Description: SD lift motor error (side deck)
    After cassette 5 is inserted, SD lift sensor does not turn on within 30 s. The lock signal of the motor is detected continuously for 200 ms.
  • Remedy: Paper feeder lift base elevating mechanism: Check that the cassette base can be manipulated smoothly, if not, repair or replace.
    SD Lift motor: 1. Check that the cassette base has been ascended. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SD Lift motor and SD main PWB (YC8) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the SD Lift motor.
    SD Lift sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SD Lift sensor and SD main PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the SD Lift sensor.
    SD main PWB: Replace the SD main PWB (Refer to the service manual for the paper feeder).
  • Code: 1250
  • Description: SM multi feed sensor communication error (side multi tray)
    [45 ppm/55 ppm model] A communication error is detected 3 times in succession.
  • Remedy: Side multi tray: Check the wiring connection status with the main unit and, if necessary, try connecting it again.
    SM main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM main PWB (YC1) and Engine PWB (YC19) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the SM main PWB (Refer to the service manual for the paper feeder).
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB .
  • Code: 1350
  • Description: SM multi feed sensor error (side multi tray)
    [45 ppm/55 ppm model] The SM multi feed sensor has detected multi feeding 5 times successively.
  • Remedy: SM multi feed sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM multi feed sensor and SM main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the SM multi feed sensor.
    SM main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1400
  • Description: Rotary guide motor error
    The guide sensor is not detected to be on at the home position detection with the rotary guide for three times in a row.
  • Remedy: Rotary guide motor: 1. Check the rotary guide and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Rotary guide motor and BR PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the rotary guide motor.
    BR PWB: Replace the BR PWB.
  • Code: 1410
  • Description: Rotary de-curler error
    If the de-curler won’t turn On/ Off despite it has been activated for 400 steps during waiting for the de-curler sensor to be On/Off three times in a row.
  • Remedy: Rotary de-curler motor: 1. Check the rotary de-curler and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Rotary de-curler motor and BR PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the rotary de-curler motor.
    BR PWB: Replace the BR PWB.
  • Code: 1450
  • Description: SM multi feed sensor backup error (side multi tray)
    [45 ppm/55 ppm model] When writing the data, read and write data does not match 3 times in succession. Deleting a block has failed three times in a row. Writing won’t complete in 200 ms after writing has commenced.
  • Remedy: SM multi feed sensor: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM multi feed sensor and SM main PWB (YC11) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the SM multi feed sensor.
    SM main PWB: Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1710
  • Description: Side multi tray incompatible detection error
    [30 ppm/35 ppm model] The side multi tray has been installed with a device to which it is incompatible.
  • Remedy: The side multi tray is installed with a device to which it is incompatible: Install the side multi-tray with the target model.
  • Code: 1800
  • Description: Paper feeder communication error
    A communication error from paper feeder is detected 10 times in succession.
  • Remedy: Paper feeder: Check the wiring connection status with the main unit and, if necessary, try connecting it again.
    PF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC13) and Engine PWB (YC19) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB (Refer to the service manual for the paper feeder).
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 1810
  • Description: Side multi tray communication error
    [45 ppm/55 ppm model] A communication error from side multi tray is detected 10 times in succession.
  • Remedy: Side multi tray: Check the wiring connection status with the main unit and, if necessary, try connecting it again.
    SM main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM main PWB (YC1) and Engine PWB (YC19) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the SM main PWB (Refer to the service manual for the paper feeder).
    Engine PWB: Check the engine software and upgrade to the latest, if necessary. Replace the engine PWB.
    SM main PWB: Replace the SM main PWB (Refer to the service manual for the paper feeder).
  • Code: 1820
  • Description: Side paper feeder communication error
    [45 ppm/55 ppm model] A communication error from paper feeder is detected 10 times in succession.
  • Remedy: Side paper feeder: Check the wiring connection status with the main unit and, if necessary, try connecting it again.
    SM main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM main PWB (YC1) and Engine PWB (YC19) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the SM main PWB (Refer to the service manual for the paper feeder).
    PF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC13) and SM main PWB (YC4) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB (Refer to the service manual for the paper feeder).
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 1900
  • Description: Paper feeder EEPROM error
    When writing the data, read and write data does not match 3 times in succession.
  • Remedy: PF main PWB (EEPROM): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1910
  • Description: Side multi tray EEPROM error
    [45 ppm/55 ppm model] When writing the data, read and write data does not match 3 times in succession.
  • Remedy: SM main PWB (EEPROM): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the SM main PWB (Refer to the service manual for the paper feeder).
  • Code: 1920
  • Description: Side paper feeder EEPROM error
    [45 ppm/55 ppm model] When writing the data, read and write data does not match 3 times in succession.
  • Remedy: PF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 1950
  • Description: Intermediate transfer belt unit EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: Transfer belt sensor: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Engine PWB (YC27) and RFID PWB (4P connector) (Check wirings on the RFID side since the signal line for the intermediate transfer belt sensor EEPROM on the engine PWB and the signal line for the toner container RFID are the same.) Intermediate transfer belt unit and Engine PWB (YC3) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Intermediate transfer belt unit.
  • Code: 2101
  • Description: Developer motor K error
    After developer motor K is driven, the ready signal does not turn to L within 5 s. After developer motor K is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Developer unit K: 1. Check that the developer waste lock has been released and, if not, release the lock . 2. Check that the gears and spiral screw of the developer unit are not damaged. 3. Confirm that the developer roller can rotate. 4. If it won’t rotate, replace the developer unit.
    Developer motor K: 1. To check the motor operation, execute DLP(K) by U030 . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer motor K and Motor control PWB (YC7) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Developer motor K.
    Motor control PWB: Replace the Motor control PWB
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2103
  • Description: Developer motor MCY error
    After developer motor MCY is driven, the ready signal does not turn to L within 5 s. After developer motor MCY is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Developer unit MCY: 1. Check that the developer waste lock has been released and, if not, release the lock . 2. Check that the gears and spiral screw of the developer unit are not damaged. 3. Confirm that the developer roller can rotate. 4. If it won’t rotate, replace the developer unit.
    Developer motor MCY: 1. To check the motor operation, execute DLP(MCY) by U030 . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer motor MCY and Motor control PWB (YC7) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Developer motor MCY.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2201
  • Description: Drum motor K steady-state error
    After drum motor K is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Drum unit: 1. Execute U030 Belt Meand (transfer Motor) and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. If it won’t rotate, replace the drum unit.
    Drum motor K: 1. To check the motor operation, execute U030 Belt Meand (transfer motor). 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor K and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the drum motor K.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2202
  • Description: Drum motor C steady-state error
    [45 ppm/55 ppm model] After drum motor C is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Drum unit: 1. Execute U030 Belt Meand (transfer Motor) and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. If it won’t rotate, replace the drum unit.
    Drum motor C: 1. To check the motor operation, execute U030 Belt Meand (transfer motor) . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor C and Motor control PWB (YC4) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Drum motor C.
    Motor control PWB: Replace the Motor control PWB
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2203
  • Description: Drum motor MCY steadystate error
    [30 ppm/35 ppm model] After drum motor MCY is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Drum unit: 1. Execute U030 Belt Meand (transfer Motor) and check that the drum motor can rotate . 2. Confirm that the drum or the drum screw can rotate. 3. If it won’t rotate, replace the drum unit.
    Drum motor MCY: 1. To check the motor operation, execute U030 Belt Meand (transfer motor) . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor MCY and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Drum motor MCY.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2203
  • Description: Drum motor M steady-state error
    [45 ppm/55 ppm model] After drum motor M is stabilized, the ready signal is at the H level for 5 s continuously.
  • Remedy: Drum unit: 1. To check the motor operation, execute U030 Belt Meand (transfer motor). . 2. Decrease Vpp using U100. Change “set ac gain” of U100 from Auto to mode1. 3. Confirm that the drum or the drum screw can rotate. 4. If it won’t rotate, replace the drum unit.
    Drum motor M: 1. To check the motor operation, execute U030 Belt Meand (transfer motor) . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 3. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. Drum motor M and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Drum motor MCY.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2211
  • Description: Drum motor K startup error
    Drum motor K is not stabilized within 5 s since the motor is activated.
  • Remedy: Drum unit: 1. To check the motor operation, execute U030 Belt Meand (transfer motor). . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Decrease Vpp using U100. Change “set ac gain” of U100 from Auto to mode1. 4. Confirm that the drum or the drum screw can rotate. 5. If it won’t rotate, replace the drum unit.
    Drum motor K: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor K and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum motor K.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2212
  • Description: Drum motor C startup error
    [45 ppm/55 ppm model] Drum motor C is not stabilized within 5 s since the motor is activated.
  • Remedy: Drum unit: 1. To check the motor operation, execute U030 Belt Meand (transfer motor). 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Decrease Vpp using U100. Change “set ac gain” of U100 from Auto to mode1. 4. Confirm that the drum or the drum screw can rotate. 5. If it won’t rotate, replace the drum unit.
    Drum motor C: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor C and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum motor C.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 2213
  • Description: Drum motor MCY startup error
    [30 ppm/35 ppm model] Drum motor MCY is not stabilized within 5 s since the motor is activated.
  • Remedy: Drum unit: 1. To check the motor operation, execute U030 Belt Meand (transfer motor). . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Decrease Vpp using U100. Change “set ac gain” of U100 from Auto to mode1. 4. Confirm that the drum or the drum screw can rotate. 5. If it won’t rotate, replace the drum unit.
    Drum motor MCY: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor MCY and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum motor MCY.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2213
  • Description: Drum motor M startup error
    [45 ppm/55 ppm model] Drum motor M is not stabilized within 5 s since the motor is activated.
  • Remedy: Drum unit: 1. To check the motor operation, execute Belt Mean (transfer motor) by U030 motor operation check. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Decrease Vpp using U100. Change set ac gain of U100 from Auto to mode1. 4. Confirm that the drum or the drum screw can rotate. 5. If it won’t rotate, replace the drum unit.
    Drum motor M: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Drum motor M and Motor control PWB (YC5) Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum motor MCY.
    Motor control PWB: Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2300
  • Description: Fuser motor error
    After fuser motor is driven, the ready signal does not turn to L within 2 s. After fuser motor is stabilized, the ready signal is at the H level for 1 s continuously.
  • Remedy: Fuser motor: 1. To check the motor operation, execute U030 Fuser (fuser motor). 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser motor and Feed PWB 1(YC18) Feed PWB 1(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the fuser motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Feed PWB 1: Replace the Feed PWB 1.
    Fuser unit: Replace the fuser unit.
  • Code: 2500
  • Description: Paper feed motor error
    After paper feed motor is driven, the ready signal does not turn to L within 2 s. After paper feed motor is stabilized, the ready signal is at the H level for 1 s continuously.
  • Remedy: Paper feed motor: 1. To check the motor operation, execute U030 Feed (paper feed motor). 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Paper feed motor and Feed PWB 2(YC2) Feed PWB 2(YC1) and Engine PWB (YC4) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper feed motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2600
  • Description: PF paper feed motor error (large capacity feeder)
    After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: PF paper feed motor: 1. To check the feed unit operation, execute U247 LCF- Motor ON . 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF paper feed motor and PF main PWB (YC16) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper feed motor.
    PF main PWB: Replace the PF main PWB
  • Code: 2610
  • Description: PF paper feed motor error (paper feeder)
    [45 ppm/55 ppm model] After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: PF paper feed motor: 1. To check the feed unit operation, execute U247 2PF — Motor ON . 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF paper feed motor and PF main PWB (YC16) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper feed motor.
    PF main PWB: Replace the PF main PWB
  • Code: 2640
  • Description: SD paper feed motor error (side deck)
    [45 ppm/55 ppm model] After SD paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: SD paper feed motor: 1. To check the feed unit operation, execute U247 Side deck- Motor ON . 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SD paper feed motor and SD main PWB (YC16) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the SD paper feed motor.
    SD main PWB: Replace the SD main PWB
  • Code: 2650
  • Description: SM paper feed motor error (side multi tray)
    [45 ppm/55 ppm model] After SM paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: SM paper feed motor: 1. To check the feed unit operation, execute U247 SMT- Motor ON. 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. SM paper feed motor and SM main PWB (YC5) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the SM paper feed motor.
    SM main PWB: Replace the SM main PWB
  • Code: 2660
  • Description: PF paper feed motor error (side large capacity feeder)
    [45 ppm/55 ppm model] After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: PF paper feed motor: 1. To check the feed unit operation, execute U247 Side LCF — Motor ON. 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF paper feed motor and PF main PWB (YC16) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF paper feed motor.
    PF main PWB: Replace the PF main PWB
  • Code: 2670
  • Description: PF paper feed motor error (side paper feeder)
    [45 ppm/55 ppm model] After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
  • Remedy: PF paper feed motor: 1. Execute Side 2PF — Motor ON of U247 feed unit operation check. 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF paper feed motor and PF main PWB (YC16) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the PF paper feed motor.
    PF main PWB: Replace the PF main PWB
  • Code: 2700
  • Description: 3-color release motor error
    When the color release motor is driven, the color release sensor does not turn on/off for 5 s.
  • Remedy: Color release motor Color release sensor (Intermediate transfer belt unit): 1. To check the motor operation, execute U30 CMY Release. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Intermediate transfer belt unit and Engine PWB (YC3) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Intermediate transfer belt unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2730
  • Description: Secondary transfer release motor error
    When the transfer release motor is driven, the transfer release sensor does not turn on/off for 5 s.
  • Remedy: Transfer release motor: 1. To check the motor operation, execute U030 Press Release. 2. Check for broken drive gears and replace if any. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer release motor and relay PWB (YC14) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Transfer release motor.
    Transfer release sensor: 1. When abnormal noise is observed at the execution of Press Release of U030 motor operation check. 2. Check that the sensor and its mounting board are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 4. Replace the Transfer release motor.
    Paper conveying unit: 1. The main-unit access drawer of the paper conveying unit has no foreign objects adhered or no distorted pins and, if necessary, repair. 2. Check the paper conveying unit is firmly closed. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Relay PWB (YC1) and Feed PWB 1(YC14) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper conveying unit and execute U052.
    Feed PWB 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Feed PWB 1 (YC1) and Engine PWB (YC6) 2. Check that the IC on the feed circuit PWB1 is not damaged (by an overcurrent or foreign object) and, if necessary, replace.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

Коды ошибок > Kyocera > TASKalfa 3551ci > стр. 12

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Коды ошибок стр. 12

  • Code: 2840
  • Description: Intermediate transfer belt cleaning motor error
    After transfer cleaning motor is driven, the ready signal won’t be L lebel within 2 s. After transfer cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
  • Remedy: Transfer cleaning motor: 1. Rotate the roller and the drive gear by the hand and check that they are not unusually loaded. 2. Check if the waste toner is remaining inside the cleaning unit without being disposed of. 3. Clean inside the cleaning unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer cleaning motor and Engine PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the transfer cleaning motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 2850
  • Description: Intermediate transferbelt sensor error
    The signal is not received for 100 ms in succession.
  • Remedy: Transfer motor: 1. To check the motor operation, execute U030 Belt Meand. 2. Rotate the roller, driving gear by the hand and check that they are not unusually loaded. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer motor and Feed PWB 1(YC13) Feed PWB 1(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Transfer motor.
    Feed PWB 1: Replace the Feed PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2860
  • Description: Intermediate transfer belt sub sensor error
    The signal is not received for 100 ms in succession.
  • Remedy: Transfer belt sensor: 1. To check the motor operation, execute U030 Belt Meand. 2. Check that the drive roller for the sensor pulse can be rotated. 3. Check that the sensor is correctly positioned. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer belt sensor and intermediate transfer belt unit and Engine PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the intermediate transfer belt unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 2950
  • Description: Motor control PWB communication error
    A communication error from the motor control PWB is detected 10 times in succession.
  • Remedy: Motor control PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Motor control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 3100
  • Description: Scanner carriage error
    The home position is not correct when the power is turned on, at the end of a reading process of the table and document processor.
  • Remedy: The scanner mirror frame is being locked after setup: Check whether the scanner mirror frame has been unlocked and unlock if necessary
    Scanner motor: 1. To check the scanner motor, execute U073 . 2. Move the scanner by the hand to check whether it is unusually difficult to move. 3. Check that the optical wire rope is not disengaged and engage the wire. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Scanner motor and ISC PWB (YC5) ISC PWB (YC3) and Main PWB (YC11) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the scanner motor.
    Home position sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Home position sensor and ISC PWB (YC8) 3. Replace the home position sensor.
    ISC PWB: Replace the ISC PWB and execute U411
    Main PWB: Replace the main PWB
  • Code: 3210
  • Description: CIS lamp error
    When input value at the time of CIS illumination does not exceed the threshold value between 5 s
  • Remedy: CIS: 1. Execute U906 Separating Operation Release . 2. Execute CCD of U061 lamp check. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
    DPSHD PWB: Replace the DPSHD PWB.
    DP relay PWB: Replace the DP relay PWB.
  • Code: 3220
  • Description: CCD lamp activation error
    The threshold is calculated for colors at initialization and the pixel which does not exceed that value is greater than 1000.
  • Remedy: CIS 1. Execute U906 Separating Operation Release. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. If the LED lamp won’t light, replace the LED PWB and execut U411.
    ISC PWB: Replace the ISC PWB and execute U411.
    Main PWB: Replace the main PWB
  • Code: 3300
  • Description: Optical system (AGC) error
    One of the gains is FF or 0x89 during the CCD lamp AGC is being processed.
  • Remedy: LED lamp PWB: 1. To check the lamp, execute U061 CCD. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. If the LED lamp won’t light, replace the LED PWB and execut U411.
    CCD PWB: Replace the ISU and execute U411
    ISC PWB: Replace the ISC PWB and execute U411.
    Main PWB: Replace the main PWB.
  • Code: 3310
  • Description: CIS AGC error
    After AGC, correct input is not obtained at CIS.
  • Remedy: CIS: 1. Execute U906 Separating Operation Release. 2. To check the lamp, execute U061 CCD. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
    DPSHD PWB: Replace the DPSHD PWB.
  • Code: 3500
  • Description: Communication error between scanner and ASIC
    An error code is detected.
  • Remedy: ISC PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. ISC PWB (YC3) and Main PWB (YC11) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the ISC PWB and execute U411.
    Main PWB Replace the main PWB.
  • Code: 3600
  • Description: Scanner sequence error
  • Remedy: ISC PWB: 1. Execute U021 memory initializing. 2. Replace the ISC PWB and execute U411.
  • Code: 3700
  • Description: Scanner device error
  • Remedy: CCD (ISU): Since the ISU is mounted with a CCD of different type, install the ISU that matches with the model.
  • Code: 3800
  • Description: AFE error
    When writing the data, read and write data does not match 3 times in succession. No response is received in 100 ms from AEF.
  • Remedy: ISC PWB: 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. CCD PWB (YC2) and ISC PWB (YC9) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the ISC PWB and execute U411.
    CCD PWB: Replace the ISU PWB and execute U411.
  • Code: 3900
  • Description: Backup memory read/write error (ISC PWB)
    Read and write data does not match.
  • Remedy: Backup memory (ISC PWB): 1. Turn the main power switch off and after 5 seconds, turn it on. 2. Replace the ISC PWB and execute U411.
  • Code: 4001
  • Description: Polygon motor K synchronization error
    After polygon motor K is driven, the ready signal does not turn to L within 30 s. The polygon motor speed won’t stabilize within 10 s.
  • Remedy: Polygon motor K (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor K and LSU relay PWB (YC4) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4002
  • Description: Polygon motor C synchronization error
    After polygon motor C is driven, the ready signal does not turn to L within 30 s. The polygon motor speed won’t stabilize within 10 s.
  • Remedy: Polygon motor C (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor C and LSU relay PWB (YC9) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4003
  • Description: Polygon motor M synchronization error
    After polygon motor M is driven, the ready signal does not turn to L within 30 s. The polygon motor speed won’t stabilize within 10 s.
  • Remedy: Polygon motor M (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor M and LSU relay PWB (YC7) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4004
  • Description: Polygon motor Y synchronization error
    After polygon motor Y is driven, the ready signal does not turn to L within 30 s. The polygon motor speed won’t stabilize within 10 s.
  • Remedy: Polygon motor Y (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor Y and LSU relay PWB (YC11) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4011
  • Description: Polygon motor K steadystate error
    After polygon motor K is stabilized, the ready signal is at the H level for 15 s continuously.
  • Remedy: Polygon motor K (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor K and LSU relay PWB (YC4) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4012
  • Description: Polygon motor C steadystate error
    After polygon motor C is stabilized, the ready signal is at the H level for 15 s continuously.
  • Remedy: Polygon motor C (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor C and LSU relay PWB (YC9) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4013
  • Description: Polygon motor M steadystate error
    After polygon motor M is stabilized, the ready signal is at the H level for 15 s continuously.
  • Remedy: Polygon motor M (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor M and LSU relay PWB (YC7) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: Check the engine software and upgrade to the latest, if necessary. Replace the engine PWB
  • Code: 4014
  • Description: Polygon motor Y steadystate error
    After polygon motor Y is stabilized, the ready signal is at the H level for 15 s continuously.
  • Remedy: Polygon motor Y (LSU): 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor Y and LSU relay PWB (YC11) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4101
  • Description: BD initialization error K
    After polygon motor K is driven, the BD signal is not detected for 1 s.
  • Remedy: PD PWB K (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4102
  • Description: BD initialization error C
    After polygon motor C is driven, the BD signal is not detected for 1 s.
  • Remedy: PD PWB C (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 4103
  • Description: BD initialization error M
    After polygon motor M is driven, the BD signal is not detected for 1 s.
  • Remedy: PD PWB M (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4104
  • Description: BD initialization error Y
    After polygon motor Y is driven, the BD signal is not detected for 1 s.
  • Remedy: PD PWB Y (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4201
  • Description: BD steady-state error K
    The BD signal is not detected.
  • Remedy: PD PWB K (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, shorted or grounded, replace the FCC wiring. 3. Replace the laser scanner unit. Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 4202
  • Description: BD steady-state error C
    The BD signal is not detected.
  • Remedy: PD PWB C (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4203
  • Description: BD steady-state error M
    The BD signal is not detected.
  • Remedy: PD PWB M (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 4204
  • Description: BD steady-state error Y
    The BD signal is not detected.
  • Remedy: PD PWB Y (LSU): 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and Engine PWB (YC12) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 4300
  • Description: Polygon motor phase error
    ASIC won’t settle in completion of phase adjustment for 2 s after a BD signal is detected.
  • Remedy: Laser scanner unit: Replace the laser scanner unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 4600
  • Description: LSU cleaning motor error
    After LSU cleaning motor is driven, the ready signal does not turn to L within 2 s. After LSU cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
  • Remedy: LSU cleaning motoror: 1. Execute LSU cleaning using Adjustment/Maintenance of the system menu. 2. Rotate the drive gear and the cleaning spiral by the hand and check that they are not unusually loaded, and replace if it is damaged. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LSU cleaning motor and Engine PWB (YC21) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the LSU cleaning motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 5101
  • Description: Main high-voltage error K
    Measure the inflowing current when Vpp is varied in 3 steps and verify if the difference of the currents of 0 and step 2 is less than 42 (51 if lower highvoltage board).
  • Remedy: Drum unit: 1. Execute U030 Belt Mean Drum Motor and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. Check that the discharger lamp is properly connected. 4. If it won’t rotate, replace the drum unit.
    Charger roller unit: 1. Check that the high-voltage contacts are not distorted or adhered with foreign objects. 2. Reinstall the chrager roller unit.Or, replace the charger roller unit.
    High voltage PWB 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. High voltage PWB 1(YC4)*1,(YC3)*2 and Engine PWB (YC17) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the High voltage PWB 1. *1:45 ppm model/ 55ppm model *2:30ppm model/ 35ppm model
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 5102
  • Description: Main high-voltage error C
    Measure the inflowing current when Vpp is varied in 3 steps and verify if the difference of the currents of 0 and step 2 is less than 42 (51 if lower highvoltage board).
  • Remedy: Drum unit: 1. Execute U030 Belt Mean Drum Motor and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. Check that the discharger lamp is properly connected. 4. If it won’t rotate, replace the drum unit.
    Charger roller unit: 1. Check that the high-voltage contacts are not distorted or adhered with foreign objects. 2. Reinstall the chrager roller unit.Or, replace the charger roller unit.
    High voltage PWB 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. High voltage PWB 1(YC2) and Engine PWB (YC16) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the High voltage PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 5103
  • Description: Main high-voltage error M
    Measure the inflowing current when Vpp is varied in 3 steps and verify if the difference of the currents of 0 and step 2 is less than 42 (51 if lower highvoltage board).
  • Remedy: Drum unit: 1. Execute U030 Belt Mean Drum Motor and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. Check that the discharger lamp is properly connected. 4. If it won’t rotate, replace the drum unit.
    Charger roller unit: 1. Check that the high-voltage contacts are not distorted or adhered with foreign objects. 2. Reinstall the chrager roller unit.Or, replace the charger roller unit.
    High voltage PWB 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. High voltage PWB 1(YC3) and Engine PWB (YC17) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the High voltage PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 5104
  • Description: Main high-voltage error Y
    Measure the inflowing current when Vpp is varied in 3 steps and verify if the difference of the currents of 0 and step 2 is less than 42 (51 if lower highvoltage board).
  • Remedy: Drum unit: 1. Execute U030 Belt Mean Drum Motor and check that the drum motor can rotate. 2. Confirm that the drum or the drum screw can rotate. 3. Check that the discharger lamp is properly connected. 4. If it won’t rotate, replace the drum unit.
    Charger roller unit: 1. Check that the high-voltage contacts are not distorted or adhered with foreign objects. 2. Reinstall the chrager roller unit.Or, replace the charger roller unit.
    High voltage PWB 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. High voltage PWB 1(YC1) and Engine PWB (YC16) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the High voltage PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6000
  • Description: Broken fuser heater wire
    Fuser thermistor 1 does not reach 100° C/212 °F even after 60 s during warming up. The detected temperature of fuser thermistor 1 does not reach the specified temperature (ready indication temperature) for 420 s in warming up after reached to 100° C/212 °F.
  • Remedy: Fuser unit: 1. Check that no paper jam is present. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Fuser unit and execute U167 counter clear. (Deteriorated sensitivity due to the toner adhered to the center thermistor.)
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6020
  • Description: Abnormally high fuser Center thermistor 1 temperature
    Fuser center thermistor 1 detects a temperature higher than 240°C/464°F for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6030
  • Description: Broken fuser center thermistor 1 wire
    Input from fuser center thermistor 1 is 1010 or more (A/D value) continuously for 1 s. Verify if A/D read in the differential output won’t change by 4 or more when it was turned on for 10 seconds.
  • Remedy: Fuser unit: 1. Check that no paper jam is present. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Fuser unit and execute U167 counter clear. (Deteriorated sensitivity due to the toner adhered to the center thermistor.)
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the Fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6040
  • Description: Fuser heater error
    Input from fuser thermistor 1 is abnormal value continuously for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB (YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
  • Code: 6050
  • Description: Abnormally low fuser center thermistor 1 temperature
    Fuser center thermistor 1 detects a temperature lower than 100°C/212°F for 1 s after warming up, during ready or during print. The temperature of thermistor 1 is detected to be less than 70°C/158°F for more than one second during lowpower mode.
  • Remedy: Power source: 1. Check that the operating voltage falls within +/-10%. 2. Check no voltage drop is caused. The heater is deactivated at 70V or lower. 3. Relocate the AC outlet that supplies power.
    Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the Fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6120
  • Description: Abnormally high fuser press thermistor 4 temperature
    Fuser press thermistor 4 detects a temperature higher than 190°C/374°F for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6130
  • Description: Broken fuser press thermistor 4 wire
    Input from fuser press thermistor 4 is 992 or more (A/D value) continuously for 60 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) Fuser IH PWB(YC4) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6150
  • Description: Abnormally low fuser press thermistor 4 temperature Fuser press thermistor 4 detects a temperature lower than 30°C/86°F for 1 s after warming up.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) If the wiring is disconnected, shorted or grounded, replace the wiring. 2. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6200
  • Description: Broken fuser edge heater wire
    Fuser edge thermistor 2 does not reach 100° C/212 °F even after 60 s during warming up. The detected temperature of fuser edge thermistor 2 does not reach the specified temperature (ready indication temperature) for 420 s in warming up after reached to 100° C/212 °F.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6220
  • Description: Abnormally high fuser edge thermistor 2 temperature
    Fuser edge thermistor 2 detects a temperature higher than 245°C/473°F for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6230
  • Description: Broken fuser edge thermistor 2 wire
    The Input signal from the fuser edge thermistor 2 is 992 or more (A/D value) continuously for 1 s when the temperature at the fuser edge thermistor 1 is higher than 100°C/212°F during warming up.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
  • Code: 6250
  • Description: Abnormally low fuser edge thermistor 2 temperature
    Fuser edge thermistor 2 detects a temperature lower than 100°C/212°F for 1 s during ready or print. Fuser edge thermistor 2 detects a temperature lower than 50°C/122°F for 1 s during low power mode.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
    Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
  • Code: 6320
  • Description: Abnormally high fuser middle thermistor 3 temperature
    Fuser middle thermistor 3 detects a temperature higher than 205°C/401°F for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6330
  • Description: Broken fuser center thermistor 3 wire
    Fuser center thermistor 3 detects a temperature lower than 20°C/68°F continuously for 1 s.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
  • Code: 6600
  • Description: Fuser belt rotation error
    A belt rotating pulse is not received for 1 s. (Engine CPU)
  • Remedy: Fuser motor: 1. To check the motor operation, execute U030 Fuser. 2. Check that the drive gear can rotate and not heavily loaded and, if necessary, apply grease to the axle holder and gears. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser motor and Feed PWB (YC18) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the fuser motor.
    Fuser belt sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6610
  • Description: Fuser release sensor error
    The fusing pressure release sensor won’t send an off signal in 5 seconds since a pressure release instruction is given for the fusing pressure motor. The fusing pressure release sensor won’t send an on signal in 5 seconds since a pressure instruction is given for the fusing pressure motor.
  • Remedy: Fuser release motor: 1. To check the motor operation, execute U030 Fuser Release. 2. Check that the drive gear can be rotated and the separation is possible. 3. If the motor won’t rotate, confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the fuser unit and execute U167 counter clear.
    Fuser release sensor: 1. Check that the sensor is correctly positioned. 2. Check that the sensor is not contaminated or damaged.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6710
  • Description: Fuser IH PWB CPU reset error
    Watch doc timer has been overflowed.
  • Remedy: Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6720
  • Description: Fuser IH belt rotation error
    While driving, the pulse count is less than 3 for 2 seconds during the input to the rotation pulse signal is 200 msec.
  • Remedy: Fuser motor: 1. To check the motor operation, execute U030 Fuser. 2. Check that the drive gear can rotate and not heavily loaded and, if necessary, apply grease to the axle holder and gears. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser motor and Feed PWB (YC18) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the fuser motor.
    Fuser belt sensor: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser unit and execute U167 counter clear.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. Replace the fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6730
  • Description: Abnormally high fuser IH PWB temperature 1 (IGBT1)
    The input detect temperature is higher than 115°C/221 °F.
  • Remedy: Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6740
  • Description: Abnormally high fuser IH PWB temperature 2 (IGBT2)
    The input detect temperature is higher than 115°C/221 °F.
  • Remedy: Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6750
  • Description: Fuser IH output over-current error
    The output current of IH CPU is higher than 90A for 10 ms in succession.
  • Remedy: Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6760
  • Description: Fuser IH input over-current error
    The input current of IH CPU is higher than 20A(100V/120V), 10A(200V) for 100 ms in succession.
  • Remedy: Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6770
  • Description: Fuser IH low electric power error
    Less than 0.6 times of the preset power is detected for 120 ms in succession after the IH heater remote has turned on.
  • Remedy: Fuser unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser unit and Fuser IH PWB (YC6) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser IH unit.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser IH PWB.
    Fuser IH unit: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH unit and Fuser IH PWB (YC9 and 10) Fuser IH PWB( YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the fuser IH unit.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6900
  • Description: Fuser belt cooling fan error
    When the fuser edge fan motor 1 , 2 is driven, alarm signal is detected for 5 s continuously.
  • Remedy: Fuser edge fan motor 1, 2: 1. To check the fan motor operation, execute U037 Fuser Edge. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser edge fan motor 1 and Engine PWB (YC26) Fuser edge fan motor 2 and Fuser PWB (YC2) Fuser PWB (YC1) and Engine PWB (YC26) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the fuser unit and execute U167 counter clear.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6910
  • Description: Engine software ready error
    The device won’t engage in ready state in 60 minutes after warming-up has began. (A previous timeout process has not been cancelled.)
  • Remedy: Engine PWB: 1. Turn the main power switch off and after 5 seconds, turn it on. 2. Reinstall the engine software. 3. Replace the engine PWB.
  • Code: 6920
  • Description: Fuser front fan motor error
    When the fuser front fan motor is driven, alarm signal is detected for 5 s continuously.
  • Remedy: Fuser front fan motor: 1. To check the fan motor operation, execute U037 IH Coil. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser front fan motor and Front PWB (YC4) Front PWB (YC3) and Engine PWB (YC7) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the fuser front fan motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6930
  • Description: Fuser rear fan motor error
    When the fuser rear fan motor is driven, alarm signal is detected for 5 s continuously.
  • Remedy: Fuser rear fan motor: 1. To check the fan motor operation, execute U037 Fuser Coling. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser rear fan motor and Engine PWB (YC26) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the fuser rear fan motor.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6940
  • Description: IH PWB cooling fan motor error
    When the IH fan motor is driven, the alarm signal is detected for 5 s continuously.
  • Remedy: IH fan motor: 1. To check the fan motor operation, execute U037 IH Pwb. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. IH fan motor and Feed PWB 1(YC11) Feed PWB 1(YC2) and Engine PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the IH fan motor.
    Feed PWB 1: Replace the Feed PWB1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 6950
  • Description: Fuser IH PWB communication error
    No response is received in 30 ms since a command is sent to IHCPU. A checksum error is detected 10 times in succession.
  • Remedy: Power source PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Power source PWB (YC9) and Feed PWB 1(YC4) Power source PWB (YC3) and Fuser IH PWB (YC1) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. If the +24V output is not given by the power source PWB (YC9), replace the power source PWB.
    Feed PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Power source PWB (YC3) and Fuser IH PWB (YC1) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. If the +24V output is not given by the feed PWB1 (YC27), replace the feed PWB1.
    Fuser IH PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser IH PWB(YC4) and Engine PWB (YC26) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Fuser IH PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 6960
  • Description: Current PWB error
    The power current is greater than 1A for 5 seconds continuously despite that 500W was indicated as the fuser power during power-up. (45 ppm/ 55 ppm model only)
  • Remedy: Current PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Current PWB(YC17) and Feed PWB2 (YC13) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Current PWB.
  • Code: 6990
  • Description: Fuser power supply incompatibility
    Information won’t match between the engine backup and the fuser IH PWB.
  • Remedy: Differences in settings after initialization: When this has happened after initialization using U021, make settings identical with the voltages on the IH PWB using U169.
    Fuser IH PWB: Replace with a fuser IH PWB specifically designed with the standard voltage.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7001
  • Description: Toner motor K error
    A state that the pulse is not detected at the pulse sensor for 200 ms has occurred more than 15 times in a row during the toner motor K is driven. A state that the TMOT_LOCK signal becomes H (locked) is detected after 200 ms when the toner motor K is driven has occurred 15 sets in total.
  • Remedy: Toner container K: 1. Check that the spiral screw of the toner container can be rotated by the hand. 2. Check for broken gears and replace if any.
    Toner motor K: 1. Draw out the toner container and execute U135 to check the toner motor operation . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor K and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor K.
    Screw sensor K: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Screw sensor K and Engine PWB (YC27) 3. Replace the screw sensor K.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7002
  • Description: Toner motor C error
    A state that the pulse is not detected at the pulse sensor for 200 ms has occurred more than 15 times in a row during the toner motor C is driven. A state that the TMOT_LOCK signal becomes H (locked) is detected after 200 ms when the toner motor C is driven has occurred 15 sets in total.
  • Remedy: Toner container C: 1. Check that the spiral screw of the toner container can be rotated by the hand. 2. Check for broken gears and replace if any.
    Toner motor C: 1. Draw out the toner container and execute U135 to check the toner motor operation . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor C and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor C.
    Screw sensor C: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Screw sensor C and Engine PWB (YC27) 3. Replace the screw sensor C.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 7003
  • Description: Toner motor M error
    A state that the pulse is not detected at the pulse sensor for 200 ms has occurred more than 15 times in a row during the toner motor M is driven. A state that the TMOT_LOCK signal becomes H (locked) is detected after 200 ms when the toner motor M is driven has occurred 15 sets in total.
  • Remedy: Toner container M: 1. Check that the spiral screw of the toner container can be rotated by the hand. 2. Check for broken gears and replace if any.
    Toner motor M: 1. Draw out the toner container and execute U135 to check the toner motor operation . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor M and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor M.
    Screw sensor M: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Screw sensorM and Engine PWB (YC27) 3. Replace the screw sensor M.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7004
  • Description: Toner motor Y error
    A state that the pulse is not detected at the pulse sensor for 200 ms has occurred more than 15 times in a row during the toner motor Y is driven. A state that the TMOT_LOCK signal becomes H (locked) is detected after 200 ms when the toner motor Y is driven has occurred 15 sets in total.
  • Remedy: Toner container Y: 1. Check that the spiral screw of the toner container can be rotated by the hand. 1. Check for broken gears and replace if any.
    Toner motor Y: 1. Draw out the toner container and execute U135 to check the toner motor operation . 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor Y and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor Y.
    Screw sensor Y: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Screw sensor Y and Engine PWB (YC27) 3. Replace the screw sensor Y.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7101
  • Description: Toner sensor K error
    Sensor output value of 60 or less or 944 or more continued for 3 s.
  • Remedy: Failure of locking the developer waste slot at setup:
    If an abnormal noise is heard, check that the developer ejection outlet is released and, if not, release the outlet.
    Toner sensor K: 1. Check the toner sensor output by U155. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner sensor K and Front PWB (YC9) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Check that the gears of the developer unit K are not damaged and the spiral can rotate. 5. Replace the Developer unit K.
    Toner motor K: 1. Draw out the toner container and execute U135 to check the toner motor operation. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor K and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor K.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7102
  • Description: Toner sensor C error Sensor output value of 60 or less or 944 or more continued for 3 s.
  • Remedy: Failure of locking the developer waste slot at setup:
    If an abnormal noise is heard, check that the developer ejection outlet is released and, if not, release the outlet.
    Toner sensor C: 1. Check the toner sensor output by U155. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner sensor C and Front PWB (YC13) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Check that the gears of the developer unit C are not damaged and the spiral can rotate. 5. Replace the Developer unit C.
    Toner motor C: 1. Draw out the toner container and execute U135 to check the toner motor operation. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor C and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor C.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7103
  • Description: Toner sensor M error
    Sensor output value of 60 or less or 944 or more continued for 3 s.
  • Remedy: Failure of locking the developer waste slot at setup:
    If an abnormal noise is heard, check that the developer ejection outlet is released and, if not, release the outlet.
    Toner sensor M: 1. Check the toner sensor output by U155. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner sensor M and Front PWB (YC11) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Check that the gears of the developer unit M are not damaged and the spiral can rotate. 5. Replace the Developer unit M.
    Toner motor M: 1. Draw out the toner container and execute U135 to check the toner motor operation. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor M and ?Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor M.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7104
  • Description: Toner sensor Y error
    Sensor output value of 60 or less or 944 or more continued for 3 s.
  • Remedy: Failure of locking the developer waste slot at setup:
    If an abnormal noise is heard, check that the developer ejection outlet is released and, if not, release the outlet.
    Toner sensor Y: 1. Check the toner sensor output by U155. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner sensor Y and Front PWB (YC15) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Check that the gears of the developer unit Y are not damaged and the spiral can rotate. 5. Replace the Developer unit Y.
    Toner motor Y: 1. Draw out the toner container and execute U135 to check the toner motor operation. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor Y and Engine PWB (YC27) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor Y.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7200
  • Description: Broken outer temperature sensor 2 wire
    The sensor input sampling is greater than 230.
  • Remedy: Outer temperature sensor 2:
    1. Confirm Ext/Int is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Outer temperature sensor 2 and Front PWB (YC19) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the outer temperature sensor 2.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7210
  • Description: Short-circuited outer temperature sensor 2
    The sensor input sampling is less than 69.
  • Remedy: Outer temperature sensor 2:
    1. Confirm Ext/Int is displayed by U139 temperature and humidity . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Outer temperature sensor 2 and Front PWB (YC19) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the outer temperature sensor 2.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7221
  • Description: Broken LSU thermistor K wire
    The sensor input sampling is greater than 230.
  • Remedy: LSU thermistor K: 1. Confirm LSU is displayed by U139 temperature and humidity . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7222
  • Description: Broken LSU thermistor C wire
    The sensor input sampling is greater than 230.
  • Remedy: LSU thermistor C: 1. Confirm LSU is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7223
  • Description: Broken LSU thermistor M wire
    The sensor input sampling is greater than 230.
  • Remedy: LSU thermistor M: 1. Confirm LSU is displayed by U139 temperature and humidity . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7224
  • Description: Broken LSU thermistor Y wire
    The sensor input sampling is greater than 230.
  • Remedy: LSU thermistor Y: 1. Confirm LSU is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7231
  • Description: Short-circuited LSU thermistor K
    The sensor input sampling is less than 69.
  • Remedy: LSU thermistor K: 1. Confirm LSU is displayed by U139 temperature and humidity . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: Replace the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7232
  • Description: Short-circuited LSU thermistor C
    The sensor input sampling is less than 69.
  • Remedy: LSU thermistor C: 1. Confirm LSU is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7233
  • Description: Short-circuited LSU thermistor M
    The sensor input sampling is less than 69.
  • Remedy: LSU thermistor M: 1. Confirm LSU is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7234
  • Description: Short-circuited LSU thermistor Y
    The sensor input sampling is less than 69.
  • Remedy: LSU thermistor Y: 1. Confirm LSU is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and Engine PWB (YC12) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the laser scanner unit.
    LSU relay PWB: REPLACE the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7241
  • Description: Broken developer thermistor K wire
    The sensor input sampling is greater than 230.
  • Remedy: Developer thermistor K: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit K and Front PWB (YC9) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit K.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7242
  • Description: Broken developer thermistor C wire
    The sensor input sampling is greater than 230.
  • Remedy: Developer thermistor C: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit C and Front PWB (YC13) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit C.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7243
  • Description: Broken developer thermistor M wire
    The sensor input sampling is greater than 230.
  • Remedy: Developer thermistor M: 1. Confirm Developing is displayed by U139 temperature and humidity . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit M and Front PWB (YC11) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit M.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7244
  • Description: Broken developer thermistor Y wire
    The sensor input sampling is greater than 230.
  • Remedy: Developer thermistor Y: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit Y and Front PWB (YC15) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit Y.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7251
  • Description: Short-circuited developer thermistor K
    The sensor input sampling is less than 69.
  • Remedy: Developer thermistor K: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit K and Front PWB (YC9) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit K.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7252
  • Description: Short-circuited developer thermistor C
    The sensor input sampling is less than 69.
  • Remedy: Developer thermistor C: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit C and Front PWB (YC13) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit C.
    Front PWB: Replace the front
    PWB.Engine: PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7253
  • Description: Short-circuited developer thermistor M:The sensor input sampling is less than 69.
  • Remedy: Developer thermistor M: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit M and Front PWB (YC11) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit M:
  • Code: 7254
  • Description: Short-circuited developer thermistor Y wire
    The sensor input sampling is less than 69.
  • Remedy: Developer thermistor Y: 1. Confirm Developing is displayed by U139 temperature and humidity. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit Y and Front PWB (YC15) Front PWB (YC2) and Engine PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the Developer unit Y.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7401
  • Description: Developer unit K type mismatch error
    Improper adaptation of the machine and developer unit K is detected.
  • Remedy: Different type of the developer unit is installed: Install the developer unit of the correct type.
    Developer unit K: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit K and Front PWB (YC9) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring.
  • Code: 7402
  • Description: Developer unit C type mismatch error
    Improper adaptation of the machine and developer unit C is detected.
  • Remedy: Different type of the developer unit is installed: Install the developer unit of the correct type.
    Developer unit C: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit C and Front PWB (YC13) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring.
  • Code: 7403
  • Description: Developer unit M type mismatch error
    Improper adaptation of the machine and developer unit M is detected.
  • Remedy: Different type of the developer unit is installed: Install the developer unit of the correct type.
    Developer unit M: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit M and Front PWB (YC11) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring.
  • Code: 7404
  • Description: Developer unit Y type mismatch error
    Improper adaptation of the machine and developer unit Y is detected.
  • Remedy: Different type of the developer unit is installed: Install the developer unit of the correct type.
    Developer unit Y: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit Y and Front PWB (YC15) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring.
  • Code: 7601
  • Description: ID sensor 1 error
    An abnormal value is detected in the input data to ID sensor 1. Dark potential error FrontDarkP and FrontDarkS are greater than 0.80V. Light potential error FrontBrightS is smaller than FrontDarkS. FrontBrightP is smaller than [FrontDarkP + 0.5V].
  • Remedy: ID sensor1 (front): 1. Execute U464 Calib for setting ID compensation operation and check the displayed values by U465 Boas Calib for ID compensation reference. 2. Detach the imtermediate intermediate transfer belt unit and clean the ID sensor on its surface. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. ID sensor 1 (front) and Feed PWB 1(YC10) Feed PWB 1(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring.
    Feed PWB: 1 Replace the Feed PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7602
  • Description: ID sensor 2 error
    Dark potential error RearDarkP and RearDarkS are greater than 0.80V. Light potential error RearBrightS is smaller than RearDarkS. RearBrightP is smaller than [RearDarkP + 0.5V].
  • Remedy: ID sensor 2 (rear): 1. Execute U464 Calib for setting ID compensation operation and check the displayed values by U465 Boas Calib for ID compensation reference. 2. Detach the imtermediate intermediate transfer belt unit and clean the ID sensor on its surface. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. ID sensor2 (rear) and Feed PWB 1(YC10) Feed PWB 1(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring.
    Feed PWB: 1 Replace the Feed PWB 1.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7800
  • Description: Broken outer temperature sensor 1 wire
    The device did not respond for more than 5 ms during reading, in 5 times.
  • Remedy: Outer temperature sensor 1: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Outer temperature sensor 1 and Front PWB (YC16) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Outer temperature sensor 1.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 7901
  • Description: Drum K EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: DR PWB-K: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DR PWB-K and Front PWB (YC7) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum unit K.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7902
  • Description: Drum C EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: DR PWB- C: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DR PWB- C and Front PWB (YC12) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum unit C.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB5 times.
  • Code: 7903
  • Description: Drum M EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: DR PWB- M: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DR PWB- M and Front PWB (YC10) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum unit M.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7904
  • Description: Drum Y EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: DRPWB- Y: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DRPWB- Y and Front PWB (YC14) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum unit Y.
    Front PWB Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 7911
  • Description: Developer unit K EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: Developer unit K: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit K and Front PWB (YC9) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Developer unit K.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7912
  • Description: Developer unit C EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: Developer unit C: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit C and Front PWB (YC13) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Developer unit C.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB5 times.
  • Code: 7913
  • Description: Developer unit M EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: Developer unit M: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit M and Front PWB (YC11) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Developer unit M.
    Front PWB: Replace the front PWB.
    Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7914
  • Description: Developer unit Y EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: Developer unit Y: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer unit Y and Front PWB (YC15) Front PWB (YC2) and Engine PWB (YC10) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Developer unit Y.
    Front PWB: Replace the front PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB5 times.
  • Code: 7941
  • Description: Laser scanner unit K EEPROM error
    [35 ppm/ 45 ppm/ 55 ppm model] Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: APC PWB K: 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. APC PWB K and LSU relay PWB (YC5) LSU relay PWB (YC2) and Engine PWB (YC11) 2. If the FCC wiring is disconnected, shorted or grounded, replace the FCC wiring. 3. Replace the laser scanner unit.
    LSU relay PWB: Replace the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  • Code: 7942
  • Description: Laser scanner unit C EEPROM error
    [35 ppm/ 45 ppm/ 55 ppm model] Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: APC PWB C: 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. APC PWB C and LSU relay PWB (YC10) LSU relay PWB (YC2) and Engine PWB (YC11) 2. If the FCC wiring is disconnected, shorted or grounded, replace the FCC wiring. 3. Replace the laser scanner unit.
    LSU relay PWB: Replace the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB5 times.
  • Code: 7943
  • Description: Laser scanner unit M EEPROM error
    [35 ppm/ 45 ppm/ 55 ppm model] Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: APC PWB M: 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. APC PWB M and LSU relay PWB (YC8) LSU relay PWB (YC2) and Engine PWB (YC11) 2. If the FCC wiring is disconnected, shorted or grounded, replace the FCC wiring. 3. Replace 1-5-43the laser scanner unit.
    LSU relay PWB: Replace the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB5 times.
  • Code: 7944
  • Description: Laser scanner unit Y EEPROM error
    [35 ppm/ 45 ppm/ 55 ppm model] Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
  • Remedy: APC PWB Y 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. APC PWB Y and LSU relay PWB (YC12) LSU relay PWB (YC2) and Engine PWB (YC11) 2. If the FCC wiring is disconnected, shorted or grounded, replace the FCC wiring. 3. Replace the laser scanner unit.
    LSU relay PWB: Replace the LSU relay PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 8010
  • Description: Punch motor 1 error
    When the punch motor is driven, punch home position sensor does not turn on within 200 ms
  • Remedy: Punch motor 1. Execute U240 Motor — Punch to check the finisher operation. 2. Manipulate the punch up and down to check it can smoothly move up and down. 3. Check that the drive from the motor reaches the punch cam. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch motor and Punch PWB (YC4) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the punch motor.
    Punch home position sensor: 1. Execute U241 Punch — Punch HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch home position sensor and Punch PWB (YC8) 4. Replace the Punch home position sensor.
    Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7) (4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8) (1000-sheet finisher) 2. Replace the punch PWB.
    DF main PWB: Replace the DF main PWB.
  • Code: 8020
  • Description: Punch motor 2 error
    Home position is not obtained in 3 s after home position is initialized or in standby.
  • Remedy: Punch motor: 1. Execute U240 Motor — Punch to check the finisher operation . 2. Manipulate the punch up and down to check it can smoothly move up and down. 3. Check that the drive from the motor reaches the punch cam. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch motor and Punch PWB (YC4) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the punch motor.
    Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7)(4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8)(1000-sheet finisher) 2. Replace the punch PWB.
    DF main PWB: Replace the DF main PWB
  • Code: 8030
  • Description: Punch motor 3 error
    Home position does not turn from On to Off in 50 ms after home position has been initialized.{?
  • Remedy: Punch motor: 1. Execute U240 Motor — Punch to check the finisher operation. 2. Manipulate the punch up and down to check it can smoothly move up and down. 3. Check that the drive from the motor reaches the punch cam. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch motor and Punch PWB (YC4) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the punch motor.
    Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7) (4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8) (1000-sheet finisher) 2. Replace the punch PWB.
    DF main PWB: Replace the DF main PWB
  • Code: 8090
  • Description: DF paddle motor error
    When the DF paddle motor is driven, DF paddle sensor does not turn on within 1 s.
  • Remedy: DF paddle motor: 1. Execute U240 Motor — Beat to check the finisher operation. 2. Check that the paddle can rotate. 3. Check that the drive from the motor reaches the paddle. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF paddle motor and DF main PWB (YC15) (4000-sheet finisher) DF paddle motor and DF main PWB (YC11) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF paddle motor.
    DF paddle sensor: 1. Execute U241 Finisher — Bundle Eject HP to check the finisher switch. 2. Check that the sensor and its mounting board are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF paddle sensor and DF main PWB (YC22) (4000-sheet finisher) DF paddle sensor and DF main PWB (YC20) (1000-sheet finisher) 4. Replace the DF paddle sensor.
    DF main PWB: Replace the DF main PWB.
  • Code: 8100
  • Description: DF eject release motor error
    When the DF eject release motor is driven, DF bundle discharge sensor does not turn on within 1 s.
  • Remedy: DF eject release motor DF bundle discharge unit sensor: 1. Execute Motor — Eject Unlock (Full) of U240 finisher operation check. 2. Check that the eject guide of the process tray is opened and, if not, correct the guide. 3. Check that the drive from the motor reaches the eject guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF bundle discharge unit sensor and DF main PWB (YC22)(4000-sheet finisher) DF bundle discharge unit sensor and DF main PWB (YC20)(1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF eject release motor.
    DF bundle discharge unit sensor: 1. Execute Finisher — Bundle Eject HP of U241 finisher switch check. 2. Check that the sensor and its mounting board are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF bundle discharge unit sensor and DF main PWB (YC22)(4000-sheet finisher) DF bundle discharge unit sensor and DF main PWB (YC20)(1000-sheet finisher) 4. Replace the DF bundle discharge unit sensor.
    DF main PWB: Replace the DF main PWB.
  • Code: 8110
  • Description: DF shift motor 1 error
    (4000-sheet finisher) DF shift sensor 1 won’t turn on when it has travelled 160 mm after DF shift motor 1 is driven.
  • Remedy: DF shift motor 1 [front]: 1. Execute U240 Motor — Sort Test to check the finisher operation. 2. Manipulate the front shift guide back and forth to check that it is smoothly operable. 3. Check that the drive from the motor reaches the front shift guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift motor 1 and DF main PWB (YC14) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF shift motor 1
    DF shift sensor 1 [front]: 1. Execute U241 Finisher — Shift Front HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift sensor 1 and DF main PWB (YC23) 4. Replace the DF shift sensor 1.
    DF main PWB: Replace the DF main PWB.
  • Code: 8120
  • Description: DF shift motor 2 error
    (4000-sheet finisher) DF shift sensor 1 won’t turn on when it has travelled 160 mm after DF shift motor 1 is driven.
  • Remedy: DF shift motor 2 [rear]: 1. Execute U240 Motor — Sort Test to check the finisher operation. 2. Manipulate the rear shift guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the rear shift guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift motor 2 and DF main PWB (YC14) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF shift motor 2.
    DF shift set sensor 2 [rear]: 1. Execute U241 Finisher — Shift Trail HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift sensor 2 and DF main PWB (YC23) 4. Replace the DF shift set sensor2.
    DF main PWB: Replace the DF main PWB
  • Code: 8130
  • Description: DF shift release motor error
    (4000-sheet finisher) When the DF shift release motor is driven, DF shift release sensor does not turn on within 1 s.
  • Remedy: DF shift release motor: 1. Check that cancelling the maintenance mode after executing U240 Motor — Sort for the finisher operation check lets the rear and forth cursors return to the home position. 2. Manipulate the shift guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the shift guide front and rear. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift release motor and DF main PWB (YC23) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF shift release motor.
    DF shift release sensor: 1. Execute U241 Finisher — Shift Unlock HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift release sensor and DF main PWB (YC23) 4. Replace the DF shift release sensor.
    DF main PWB: Replace the DF main PWB.
  • Code: 8200
  • Description: DF side registration motor 2 error 2
    JAM6910 ( jam in rear of width alignment) is detected twice.
  • Remedy: DF side registration motor 2: 1. Execute U240 Motor — Width Test to check the finisher operation. 2. Manipulate the rear side registration guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the rear side registration guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration motor 2 and DF main PWB (YC15) (4000-sheet finisher) DF side registration motor 2 and DF main PWB (YC11) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF side registration motor 2.
    DF side registration sensor 2: 1. Execute U241 Finisher — Width tail HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration sensor 2 and DF main PWB (YC22) (4000-sheet finisher) DF side registration sensor 2 and DF main PWB (YC20) (1000-sheet finisher) 4. Replace the DF side registration sensor 2.
    DF main PWB: Replace the DF main PWB.
  • Code: 8210
  • Description: DF slide motor error
    When initial operation, DF staple sensor does not turn on within 3 s.
  • Remedy: DF slide motor: 1. Execute U240 Motor — Staple Move to check the finisher operation. 2. Manipulate the staple unit back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the staple unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF slide motor and DF main PWB (YC12) (4000-sheet finisher) DF slide motor and DF main PWB (YC10) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF slide motor.
    DF staple sensor: 1. Execute U241 Finisher — Width Staple HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF staple sensor and DF main PWB (YC22) (4000-sheet finisher) DF staple sensor and DF main PWB (YC20) (1000-sheet finisher) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the DF staple sensor.
    DF main PWB: Replace the DF main PWB.
  • Code: 8230
  • Description: DF staple motor error 1
    Staple JAM (DF) has been detected twice in a row. (The second JAM detection condition fullfilled with the home position did not detected in 600 ms after the motor was driven.)
  • Remedy: DF staple motor: 1. Remove the staple unit and check that stapling is possible without a jam. 2. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Staple unit and DF main PWB (YC17) (4000-sheet finisher) Staple unit and DF main PWB (YC11) (1000-sheet finisher) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the staple unit.
    DF staple sensor: Replace the staple unit.
    DF main PWB: Replace the DF main PWB
  • Code: 8240
  • Description: DF staple motor error 2
    Staple JAM (DF) has been detected twice in a row. (The second JAM detection condition fullfilled with a lock detection signal maintained 1 V for 500 ms continuously, while the stapler motor was driven.)
  • Remedy: DF staple motor: 1. Remove the staple unit and check that stapling is possible without a jam. 2. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. Staple unit and DF main PWB (YC17) (4000-sheet finisher) Staple unit and DF main PWB (YC11) (1000-sheet finisher) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the staple unit.
    DF main PWB: Replace the DF main PWB
  • Code: 8300
  • Description: Center-folding unit communication error
    (4000-sheet finisher) Communication with the center- folding unit is not possible.
  • Remedy: CF unit set switch: 1. Execute U241 Booklet — Set to check the finisher switch. 2. Check that the switch and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF main PWB (YC7) and DF main PWB (YC9) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CF unit set switch.
    CF main PWB: Replace the CF main PWB.
    DF main PWB: Replace the DF main PWB.
  • Code: 8310
  • Description: CF side registration motor 2 error
    (4000-sheet finisher) When initial operation, CF side registration sensor 2 does not turn on within 1 s.
  • Remedy: CF side registration motor 2: 1. Execute Motor — Width Test of U240 finisher operation check . 2. Manipulate the side registration upper guide back and forth to check it can smoothly move back and forth. 3. Check that the drive from the motor reaches the side registration upper guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF side registration motor 2 and CF main PWB (YC10) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF side registration motor.
    CF side registration sensor 2: 1. Execute U241 Booklet — Width Up HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF side registration sensor 2 and CF main PWB (YC20) 4. Replace the CF side registration sensor 2.
    CF main PWB: Replace the CF main PWB
  • Code: 8320
  • Description: CF adjustment motor error
    (4000-sheet finisher) When initial operation, CF adjustment sensor does not turn on within 2.5 s.a
  • Remedy: CF adjustment motor1,2: 1. Execute U240 Motor — Bundle Up / Down to check the finisher operation . 2. Manipulate the fold moving belt up and down to check it is smoothly operable. 3. Check that the drive from the motor reaches the fold moving belt. (Check if the belt is bent.) 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF adjustment motor 1,2 and CF main PWB (YC10) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF adjustment motor1,2.
    CF adjustment sensor1,2: 1. Execute U241 Booklet — bundle Up / Down HP to check the finisher switch . 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF adjustment sensor 1,2 and CF main PWB (YC20) 4. Replace the CF adjustment sensor1,2.
    CF main PWB: Replace the CF main PWB.
  • Code: 8330
  • Description: CF blade motor error
    (4000-sheet finisher) When initial operation, CF blade sensor does not turn on within 1500 ms.
  • Remedy: CF blade motor: 1. Execute U240 Booklet — Blade to check the finisher operation . 2. Manipulate the fold blade up and down to check it is smoothly operable. 3. Check that the drive from the motor reaches the fold blade. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF blade motor and CF main PWB (YC15) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF blade motor.
    CF blade sensor: 1. Execute U241 Booklet — Blade HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF blade sensor and CF main PWB (YC20) 4. Replace the CF blade sensor.
    CF main PWB: Replace the CF main PWB.
  • Code: 8340
  • Description: CF staple motor error 1
    (4000-sheet finisher) Staple JAM (center-folding unit) has been detected twice in a row. (The second JAM detection condition fullfilled with the home position did not detected in 600 ms after the motor was driven.)
  • Remedy: CF staple motor: 1. Execute U240 Booklet — Staple to check the finisher operation. 2. Manipulate the staple up and down check it is smoothly operable. 3. Check that the drive from the motor reaches the staple unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF staple unit and CF main PWB (YC13) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF staple motor.
    CF staple sensor: Replace the CF staple unit.
    CF main PWB: Replace the CF main PWB.
  • Code: 8350
  • Description: CF side registration motor 1 error
    (4000-sheet finisher) When initial operation, CF side registration sensor 1 does not turn on within 1 s.
  • Remedy: CF side registration motor 1: 1. Execute U240 Booklet — Width Test to check the finisher operation. 2. Manipulate the side registration lower guide back and forth to check it can smoothly operable. 3. Check that the drive from the motor reaches the side registration lower guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF side registration motor 1 and CF main PWB (YC10) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF side registration motor 1.
    CF side registration sensor 1: 1. Execute U241 Booklet — Width Down HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF side registration sensor 1 and CF main PWB (YC20) 4. Replace the CF side registration sensor 1.
    CF main PWB Replace the CF main PWB.
  • Code: 8360
  • Description: CF main motor error
    (4000-sheet finisher) During driving the motor, the lock signal is detected for 1 s continuously.
  • Remedy: CF main motor: 1. Execute U240 Booklet — Folding to check the finisher operation. 2. Manipulate the conveying roller to check it can smoothly rotate. 3. Check that the drive from the motor reaches the conveying roller. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF main motor and CF main PWB (YC16) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the CF main motor.
    CF main PWB: Replace the CF main PWB.
  • Code: 8410
  • Description: Punch slide motor error 1
    The punch slide sensor won’t turn On when home position has been moved by 30 mm.
  • Remedy: Punch slide motor: 1. Execute U240 Booklet — Punch Move to check the finisher operation. 2. Manipulate the punch slide part of the punch unit back and forth to check it can smoothly move. 3. Check that the drive from the motor reaches punch area. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch slide motor and Punch PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the punch slide motor.
    Punch slide sensor: 1. Execute U241 Punch — Punch HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch slide sensor and Punch PWB (YC6) 4. Replace the punch slide sensor.
    Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7) (4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8) (1000-sheet finisher) 2. Replace the punch PWB.
    DF main PWB: Replace the DF main PWB
  • Code: 8420
  • Description: Punch slide motor error 2
    In detection of paper edges, the paper edge cannot be detected in 30 mm move
  • Remedy: Punch slide motor: 1. Execute U240 Booklet — Punch Move to check the finisher operation. 2. Manipulate the punch slide part of the punch unit back and forth to check it can smoothly move. 3. Check that the drive from the motor reaches punch part. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch slide motor and Punch PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the punch slide motor.
    Punch paper edge sensor 1,2: 1. Execute U241 Punch — Edge Face 1,2,3,4 to check the finisher switch . 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch paper edge sensor 1,2 and Punch PWB (YC5,YC7) 4. Replace the punch paper edge sensor 1,2.
    Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7) (4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8) (1000-sheet finisher) 2. Replace the Punch PWB.
    DF main PWB: Replace the DF main PWB
  • Code: 8430
  • Description: Punch unit communication error
    Communication with the punch unit is not possible.
  • Remedy: Punch PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Punch PWB (YC1) and DF main PWB (YC7) (4000-sheet finisher) Punch PWB (YC1) and DF main PWB (YC8) (1000-sheet finisher) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Punch PWB.
    DF main PWB: Replace the DF main PWB.
  • Code: 8500
  • Description: Mailbox communication error
    (4000-sheet finisher) Communication failed to be established after the mailbox was hooked up.
  • Remedy: MB main PWB: 1. Turn the main power switch off and after 5 seconds, turn it on. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MB main PWB (YC3) and DF main PWB (YC6) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the MB main PWB.
    DF main PWB: Replace the DF main PWB.
  • Code: 8510
  • Description: MB conveying motor error 1
    (4000-sheet finisher) When initial operation, MB home position sensor does not turn on within 5 s.
  • Remedy: MB conveying motor: 1. If the transfer roller won’t rotate smoothly, repair its mechanism. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MB conveying motor and MB main PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the MB conveying motor.
    MB home position sensor: 1. Execute U241 Mail Box — Motor HP to check the finisher switch . 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MB home position sensor and MB main PWB (YC2) 4. Replace the MB home position sensor.
    MB main PWB: Replace the MB main PWB
  • Code: 8520
  • Description: MB conveying motor error 2
    (4000-sheet finisher) When standby operation, MB home position sensor does not turn off within 1 s.
  • Remedy: MB conveying motor: 1. Execute Mail Box — Conv of U240 finisher operation check . 2. Manipulate the conveying roller of the mailbox to check it can smoothly rotate. 3. Check that the drive from the motor reaches the conveying roller. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MB conveying motor and MB main PWB (YC5) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the MB conveying motor.
    MB home position sensor: 1. Execute U241 Mail Box — Motor HP to check the finisher switch . 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. MB home position sensor and MB main PWB (YC2) 4. Replace the MB home position sensor.
    MB main PWB: Replace the MB main PWB.
  • Code: 8800
  • Description: Document finisher main program error
    Document finisher main program error at power up.
  • Remedy: DF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF main PWB (YC4) and Engine PWB (YC18) (4000-sheet finisher) DF main PWB (YC7) and Engine PWB (YC18) (1000-sheet finisher) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the DF main PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB
  • Code: 8900
  • Description: Document finisher backup error
    Read and write data does not match 3 times in succession.
  • Remedy: DF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF main PWB (YC4) and Engine PWB (YC18) (4000-sheet finisher) DF main PWB (YC7) and Engine PWB (YC18) (1000-sheet finisher) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the DF main PWB.
  • Code: 8930
  • Description: Center-folding unit backup error
    (4000-sheet finisher) Read and write data does not match 3 times in succession.
  • Remedy: CF main PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CF main PWB (YC7) and DF main PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Install the EEPROM properly. 4. Replace the CF main PWB.
  • Code: 9000
  • Description: Document processor communication error
    Communication with the document processor is not possible.
  • Remedy: DP main PWB: 1. Check that the versions of the main unit firmware and the DP firmware are identical. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP main PWB(YC1) and ISC PWB(YC12) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the DP main PWB.
    ISC PWB: Replace the ISC PWB.
  • Code: 9010
  • Description: Coin vender communication error
    A communication error from coin vender is detected 10 times in succession.
  • Remedy: U206 setting: Set maintenance mode U206 to off when a coin vender is not installed .
    Coin vender control PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Coin vender control PWB and Engine PWB (YC23) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Coin vender control PWB.
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB .
  • Code: 9040
  • Description: DP lift motor going up error
    When the DP lift motor is driven, DP lift sensor 1 does not turn on within 1500 pulse. (Three recovery times.) The above has been detected 5 times. * : The number of detection should be weighted with one for the rise at job start and two for the irregular rise during transpoting. The accumulated number must be cleared at completion of a normal rise. The default threshold is 5.
  • Remedy: DP lift motor: 1. Execute U906 Separating Operation Release . 2. Execute U243 Lift Motor to check the DP motor operation . 3. Check that the original document lift guide can move upwards. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP lift motor and DP MAIN PWB (YC5) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DP lift motor.
    DP lift sensor 1: 1. Execute U244 LIFT L-Limit to check DP switch . 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP lift sensor 1 and DP Main PWB (YC4) 4. Replace the DP lift sensor 1.
    DP Main PWB: Replace the DP main PWB.
  • Code: 9050
  • Description: DP lift motor going down error
    When the DP lift motor is driven, DP lift sensor 2 does not turn on within 1500 pulse. (Three recovery times.) The above has been detected 5 times.
  • Remedy: DP lift motor: 1. Execute U906 Separating Operation Release . 2. Execute U243 Lift Motor to check the DP motor operation . 3. Check that the original document lift guide can move downwards. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP lift motor and DP main PWB (YC5) If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the DP lift motor.
    DP lift sensor 2: 1. Execute U244 LIFT L-Limit to check DP switch . 2. Confirm that the DP lift sensor 2 has been firmly fitted. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP lift sensor 2 and DP main PWB (YC2) 4. Replace the DP lift sensor2.
    DP main PWB: Replace the DP main PWB.
  • Code: 9060
  • Description: DP EEPROM error
    Mismatch of reading data from two locations occurs 3 times successively. Mismatch between writing data and reading data occurs 3 times successively.
  • Remedy: DP main PWB: 1. Execute U906 Separating Operation Release . 2. Confirm that the EEPROM has been properly installed. 3. Replace the DP main PWB.
    Device damage of EEPROM: Contact the Service Support.
  • Code: 9070
  • Description: Communication error between DP and SHD
    A communication error is detected.
  • Remedy: DP SHD PWB: 1. Execute U906 Separating Operation Release . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP SHD PWB (YC1) and DP main PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the DP SHD PWB.
  • Code: 9080
  • Description: LED fault detection
    A block is existent below a peak which was obtained by activating the LEDs in the four CIS blocks at power on, which is less than 80hex.
  • Remedy: DP CIS: 1. Execute CIS automatic original document alignment by U411 . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CIS and DP SHD PWB (YC2) DP SHD PWB (YC1) and DP main PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the CIS and execute U411.
    DP SHD PWB: Replace the DP SHD PWB.
  • Code: 9100
  • Description: Coin vender control PWB error
    Communication error has been detected at the coin mec of the coin vender control PWB.
  • Remedy: Coin vender control PWB: Replace the coin mec.
  • Code: 9110
  • Description: Coin vender rejector error
    Communication error has been detected in connection with the coin mec and the rejector.
  • Remedy: Rejector: 1. Check that the rejector is firmly installed and, if not, install firmly. 2. Replace the rejector.
  • Code: 9120
  • Description: Sensor error in coin vender change (Yen 10)
    Change is empty despite change is enough.
  • Remedy: Coin jam in the change tube: Check visually and remedy.
    Contact in the connector: Check the connection of the empty change sensor.
    Change empty sensor: Replace the coin mec.
    Coin vender control PWB: Replace the coin mec.
  • Code: 9130
  • Description: Sensor error in coin vender change (Yen 50)
    Change is empty despite change is enough.
  • Remedy: Coin jam in the change tube: Check visually and remedy.
    Contact in the connector: Check the connection of the empty change sensor.
    Change empty sensor Replace the coin mec.
    Coin vender control PWB: Replace the coin mec.
  • Code: 9140
  • Description: Sensor error in coin vender change (Yen 100)
    Change is empty despite change is enough.
  • Remedy: Coin jam in the change tube: Check visually and remedy.
    Contact in the connector: Check the connection of the empty change sensor.
    Change empty sensor: Replace the coin mec.
    Coin vender control PWB: Replace the coin mec.
  • Code: 9150
  • Description: Sensor error in coin vender change (Yen 500)
    Change is empty despite change is enough
  • Remedy: Change tube: Check no exchange jam is observed at the outlet and, if necessary, repair it.
    Contact in the connector: Check the connection of the empty change sensor.
    Change empty sensor: Replace the coin mec.
    Coin vender control PWB: Replace the coin mec.
  • Code: 9160
  • Description: Coin vender pay-out error
    Coin is paid out despite the pay-out motor is determined not active.
  • Remedy: Pay-out motor: Replace the coin mec.
  • Code: 9170
  • Description: Coin vender pay-out sensor error
    Coin is paid out despite the pay-out motor is determined not active.
  • Remedy: Pay-out area: Check no exchange jam is observed at the outlet and, if necessary, repair it.
    Pay-out motor Replace the coin mec.
    Pay-out sensor: Replace the coin mec.
  • Code: 9500
  • Description: ISC PWB error A
  • Remedy: Main PWB, ISC PWB: 1. Reinsert the connector if its connection is loose. Main PWB (YC25) and ISC PWB (YC4) 2. Replace the main PWB . 3. Replace the ISC PWB 4. Contact the Service Support.
  • Code: 9510
  • Description: ISC PWB error B
  • Remedy: Main PWB, DP SHD PWB: 1. Reinsert the connector if its connection is loose. DP relay PWB (YC2) and DP SHD PWB (YC3) 2. Replace the main PWB . 3. Replace the DP SHD PWB. 4. Contact the Service Support.
  • Code: 9520
  • Description: ISC PWB error C
  • Remedy: Main PWB, ISC PWB: 1. Reinsert the connector if it its connection is loose. Main PWB (YC25) and ISC PWB (YC4) 2. Replace the main PWB . 3. Replace the ISC main PWB 4. Contact the Service Support.
  • Code: 9940
  • Description: Confidential document guard uninstalled error
    The confidential document guard PWB is removed while the confidential document guard PWB is valid.
  • Remedy: Confidential document guard PWB: 1. Check that the confidential document guard PWB is firmly installed and, if not, install firmly. 2. Replace the confidential document guard PW.
  • Code: 9950
  • Description: Confidential document guard PWB error
    FPGA configuration error CPU version information error This is caused when the PWB of a double-side scanning DP is connected, the confidential guard PWB is inserted, and the harness is not correctly connected.
  • Remedy: Confidential document guard PWB: 1. Replace the confidential document guard PW. 2. Replace the main PWB .
  • Code: F000
  • Description: Communication error between main PWB and operation PWB
  • Remedy: Main PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the wirings and connetors between the main circuit PWB and the operation circuit PWB and between the main circuit PWB and the HDD are normal. Main PWB (YC12,YC17,YC30) and Operation PWB (YC1,YC2,YC3) 3. Check that the DDR memories in the main circuit PWB are well conducted and, if not, replace. 4. Execute U024 to initialize (FULL) the HDD . 5. Execute U021 to initialize memory. 6. Replace the Main PWB. 7. Copy the log File saved in the HDD by U964 in USB memory and contact the service support .
    Operation PWB: Replace the operation PWB .
  • Code: F010
  • Description: Main PWB checksum error
  • Remedy: Main PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. If not corrected, replace the main PWB .
  • Code: F040
  • Description: Communication error between Main PWB and Print engine
  • Remedy: Main PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Repair or replace the wire from the engine PWB, that may be grounded. (Check short-circuit between 5V and 3.3V.) 3. Check that the FCC wire connecting between the main PWB (YC3) and the engine PWB (YC46) is normal and, if necessary, re-insert.Or, replace the FCC wire. 4. If not corrected, replace the main PWB .
    Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB .
    HDD: Replace the HDD .
  • Code: F041
  • Description: Communication error between Main PWB and Scanner engine
  • Remedy: Main PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the wires between the main PWB and the ISC PWB are normal. 3. If not corrected, replace the main PWB .I
    SC PWB: Replace the ISC PWB.
  • Code: F050
  • Description: Print engine ROM checksum error
  • Remedy: Engine software: Install the latest engine software.
    Engine PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Confirm that the EEPROM has been properly installed. 3. If not corrected, Replace the engine PWB .
  • Code: F051
  • Description: Scanner engine ROM checksum error
  • Remedy: Scanner software: Install the latest scanner software.
    ISC PWB: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Confirm that the EEPROM has been properly installed. 3. If not corrected, Replace the ISC PWB.
  • Code: F278
  • Description: Power supply in drive system error
  • Remedy: The main power switch was turned off before the power switch is pressed. Shutdown due to a power failure: Turn the main power swtch off and after 5 seconds, then turn power on. (Before turning power off, verify that the power key has been pressed and the power indicator has gone off, then switch the main power switch.)

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  1. 06-14-2016

    #1

    Alexkyocera is offline


    Trusted Tech

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    M6035cidn error code C7001

    Got this error code, knows what it means, but want to knw what caused the error. Anyone? Thanks


  2. 06-14-2016

    #2

    Re: M6035cidn error code C7001

    Quote Originally Posted by Alexkyocera
    View Post

    Got this error code, knows what it means, but want to knw what caused the error. Anyone? Thanks

    So what does it mean ?. The service manual has the code , the description, causes and remedies. I can give you what caused this, but will take about 4 pages of mechanical demonstration and another couple of pages of graphics. still want it ?.

    check the toner cartridge contact pins on the machine side. they get bent and shorted and cause all kind of issues. not saying this is the cause here, but still something to check first.

    THE ONLY THING FOR EVIL TO TRIUMPH IS FOR GOOD MEN TO DO NOTHING……….edmund burke


  3. 06-14-2016

    #3

    Alexkyocera is offline


    Trusted Tech

    50+ Posts

    Alexkyocera's Avatar


    Rep Power
    16

    Re: M6035cidn error code C7001

    Quote Originally Posted by subaro
    View Post

    So what does it mean ?. The service manual has the code , the description, causes and remedies. I can give you what caused this, but will take about 4 pages of mechanical demonstration and another couple of pages of graphics. still want it ?.

    check the toner cartridge contact pins on the machine side. they get bent and shorted and cause all kind of issues. not saying this is the cause here, but still something to check first.

    Thanks man. But you gave me one cause
    Sometimes the service manual, gives you hints and solutions. When we have issues we want similar experiences and what was done to resolve it. I upgraded the firmware and resealed the black drum and toner and it’s working okay under observation,


  4. 06-14-2016

    #4

    Re: M6035cidn error code C7001

    Quote Originally Posted by Alexkyocera
    View Post

    Thanks man. But you gave me one cause
    Sometimes the service manual, gives you hints and solutions. When we have issues we want similar experiences and what was done to resolve it. I upgraded the firmware and resealed the black drum and toner and it’s working okay under observation,

    Well this is a problem on the forum. One liners are dropped and with little of vague information about the issues and the perfect answers are expected. Just a word for the forum users. Learn to type and improve on your typing speed and you will find what you want to express will be so much easier. A very novice keyboarder can spend a long time trying to get two lines written.

    THE ONLY THING FOR EVIL TO TRIUMPH IS FOR GOOD MEN TO DO NOTHING……….edmund burke


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Все современные копировальные аппараты, мфу и принтеры Kyocera имеют возможность диагностировать все узлы устройства в режиме запуска и во время работы аппарата. По этому, если во время включения или во время работы произошел сбой, то техника Kyocera сможет сообщить о наличии ошибки.

В большинстве случаев у аппаратов Kyocera код ошибки отображается на дисплее, в остальных случаях тип ошибки зависит от последовательности и количества миганий индикаторов.
Если Ваш копировальный аппарат, МФУ или принтер Kyocera выдал на дисплее некий код, то узнать причину, описание возникновения ошибки, а так же в каком узле аппарата стоит искать проблему, Вы можете в этом разделе выбрав интересующую модель из списка.

Но диагностика не решит проблему сбоя аппарата, для этого лучше обратиться к профессиональным и опытным сервисным специалистам компании Kyomart! Позвоните нам по телефону
8 (343) 288-23-45 или отправьте запрос на электронную почту: sales@kyomart.ru , и мы обязательно свяжемся с Вами в кратчайшие сроки.

Код ошибки

Описание ошибки

Причина ошибки

0030
FAX control PWB system error
Processing with the fax software was disabled due to a hardware problem.
Defective FAX control PWB.

0070
FAX control PWB incompatible detection Error
Abnormal detection of FAX control PWB incompatibility In the initial communication with the FAX control PWB, any normal communication command is not transmitted.
FAX control PWB (The FAX PWB installed will not be the one designed for the machine.

0100
Backup memory device error
EEPROM (Control PWB)

0120
MAC address data error
For data in which the MAC address is invalid.
EEPROM (Control PWB)

0130
Backup memory read/write error (main NAMD)
Flash memory (Control PWB)

0140
Backup memory data error (main NAND)
Flash memory (Control PWB)

0150
Engine PWB EEPROM error
Detecting engine PWB EEPROM communication error.
Improper installation engine PWB EEPROM. Defective engine PWB. Device damage of EEPROM.

0170
Billing counting error
A checksum error is detected in the main and engine backup memories for the billing counters.
Data damage of EEPROM. Defective PWB.

0180
Machine number mismatch
Machine number of control does not match.
Data damage of EEPROM.

0600
Expanded memory (DIMM) installing error
The expansion memory modules (DIMM) are not correctly mounted.
Improper installation expanded memory (DIMM).

0610
Expanded memory (DIMM) error
The expansion memory modules (DIMM) mounted on the main PWB does not operate correctly.
Defective expanded memory (DIMM). Defective main PWB.

0640
Hard disk error
The hard disk cannot be accessed.
Defective hard disk. Defective main PWB.

0830
FAX control PWB flash program area checksum error
A checksum error occurred with the program of the FAX control PWB.
Defective FAX software. Defective FAX control PWB.

0840
Faults of RTC
The time is judged to go back based on the comparison of the RTC time and the current time or five years or more have passed.
The battery is disconnected from the main PWB. Defective main PWB.

0870
FAX control PWB to main PWB high capacity data transfer error
High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times.
Improper installation FAX control PWB. Defective FAX control PWB or main PWB.

0920
Fax file system error
The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
Defective FAX control PWB.

0930
EEPROM bus error
Defective drum PWB (EEPROM). Defective engine PWB (EEPROM). Defective engine PWB. Defective main PWB.

1010
Lift motor error
When the lift motor is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals. After the lift motor is driven, the ON status of lift sensor cannot be detected for 8 s. The cassette installed confirmation message is displayed on the operation panel, and even if the cassette is opened and closed, the cassette installed confirmation message is displayed 5 times successively.
Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the lift motor. Defective lift motor. Defective engine PWB.

1020
PF lift motor error (paper feeder 1)
When the lift motor is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals. After the lift motor is driven, the ON status of lift sensor cannot be detected for 8 s. The cassette installed confirmation message is displayed on the operation panel, and even if the cassette is opened and closed, the cassette installed confirmation message is displayed 5 times successively.
Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor. Defective PF lift motor. Defective PF main PWB.

1030
PF lift motor error (paper feeder 2)
When the lift motor is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals. After the lift motor is driven, the ON status of lift sensor cannot be detected for 8 s. The cassette installed confirmation message is displayed on the operation panel, and even if the cassette is opened and closed, the cassette installed confirmation message is displayed 5 times successively.
Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor. Defective PF lift motor. Defective PF main PWB.

1500
PF heater 1 high temperature error (paper feeder 1)
A temperature higher than 75C/167F is detected.
Defective connector cable or poor contact in the connector. Shorted PF thermistor 1. Defective PF fan motor 1. Defective PF main PWB.

1510
PF heater 2 high temperature error (paper feeder 1)
A temperature higher than 75C/167F is detected.
Defective connector cable or poor contact in the connector. Shorted PF thermistor 2. Defective PF fan motor 2. Defective PF main PWB.

1520
PF heater 1 high temperature error (paper feeder 2)
A temperature higher than 75aC/167F is detected.
Defective connector cable or poor contact in the connector. Shorted PF thermistor 1. Defective PF fan motor 1. Defective PF main PWB.

1530
PF heater 2 high temperature error (paper feeder 2)
A temperature higher than 75C/167F is detected.
Defective connector cable or poor contact in the connector. Shorted PF thermistor 2. Defective PF fan motor 2. Defective PF main PWB.

1600
PF heater 1 low temperature error (paper feeder 1)
An external temperature higher than + 5C/+ 9F is not detected when one minute elapses after PF heater 1 is turned on.
Defective connector cable or poor contact in the connector. PF thermistor 1 installed incorrectly. Defective PF thermistor 1. Broken PF heater 1. Defective PF heater PWB or PF main PWB.

1610
PF heater 2 low temperature error (paper feeder 1)
An external temperature higher than + 5C/+ 9F is not detected when one minute elapses after PF heater 2 is turned on.
Defective connector cable or poor contact in the connector. PF thermistor 2 installed incorrectly. Defective PF thermistor 2. Broken PF heater 2. Defective PF heater PWB or PF main PWB.

1620
PF heater 1 low temperature error (paper feeder 2)
An external temperature higher than + 5C/+ 9F is not detected when one minute elapses after PF heater 1 is turned on.
Defective connector cable or poor contact in the connector. PF thermistor 1 installed incorrectly. Defective PF thermistor 1. Broken PF heater 1. Defective PF heater PWB or PF main PWB.

1630
PF heater 2 low temperature error (paper feeder 2)
An external temperature higher than + 5C/+ 9F is not detected when one minute elapses after PF heater 2 is turned on.
Defective connector cable or poor contact in the connector. PF thermistor 2 installed incorrectly. Defective PF thermistor 2. Broken PF heater 2. Defective PF heater PWB or PF main PWB.

1800
Paper feeder communication error
Communication error between engine PWB and optional paper feeder.
Improper installation paper feeder. Defective connector cable or poor contact in the connector. Defective engine PWB. Defective PF main PWB.

2100
Developing motor error
The developing motor ready input is not given for 5 s during the main motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the developing motor. Defective developing motor. Defective engine PWB.

2200
Drum motor error
The drum motor ready input is not given for 5 s during the drum motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the drum motor. Defective drum motor. Defective engine PWB.

2330
Fuser pressure release motor error
When the fuser pressure release motor is driven, the motor over-current detection signal is detected continuously for 8 times (800 ms) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the fuser pressure release motor. Defective fuser pressure release motor. Defective engine PWB.

2340
Fuser pressure release motor time-out error
When the fuser pressure release motor is driven, the envelope switch (EVSW) is not detectable for 6 s.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the fuser pressure release motor. Defective fuser pressure release motor. Defective engine PWB.

2500
Paper feed motor error
The drum motor ready input is not given for 5 s during the paper feed motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the paper feed motor. Defective paper feed motor. Defective engine PWB.

2600
PF paper feed motor error (paper feeder 1)
The drum motor ready input is not given for 2 s during the PF paper feed motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF paper feed motor. Defective PF paper feed motor. Defective PF main PWB

2610
PF paper feed motor error (paper feeder 2)
The drum motor ready input is not given for 2 s during the PF paper feed motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF paper feed motor. Defective PF paper feed motor. Defective PF main PWB.

2730
Developing release motor error
When the developing release motor is driven, the motor over-current detection signal is detected continuously for 8 times (800 ms) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the developing release motor. Defective developing release motor. Defective engine PWB.

2740
Developing release motor time-out error
When the developing release motor is driven, the developing release switch (DEVRSW) is not detectable for 1 s.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the developing release motor. Defective developing release motor. Defective engine PWB.

2820
Fuser motor error
The fuser motor ready input is not given for 5 s during the fuser motor is ON.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the fuser motor. Defective fuser motor. Defective engine PWB.

3100
ISU home position error
The home position is not correct when the power is turned on or at the start of copying using the table.
Defective connector cable or poor contact in the connector. Defective home position sensor. Defective ISU motor. Defective CCD PWB. Defective main PWB.

3200
Exposure lamp error
When input value at the time of exposure lamp illumination does not exceed the threshold value between 5 s.
Defective connector cable or poor contact in the connector. Defective exposure lamp. Defective inverter PWB or CCD PWB. Defective main PWB.

3300
AGC error
After AGC, correct input is not obtained at CCD.
Defective connector cable or poor contact in the connector. Defective exposure lamp. Defective inverter PWB or CCD PWB. Defective main PWB.

3500
Communication error between scanner and ASIC
An error code is detected.
Defective connector cable or poor contact in the connector. Defective CCD PWB. Defective main PWB.

4001
Polygon motor KM error
The polygon motor KM ready input is not given for 10 s during the polygon motor is ON.
Defective connector cable or poor contact in the connector. Defective polygon motor KM. Defective engine PWB.

4002
Polygon motor CY error
The polygon motor CY ready input is not given for 10 s during the polygon motor is ON.
Defective connector cable or poor contact in the connector. Defective polygon motor CY. Defective engine PWB.

4201
Laser output error (black)
The pin photo signal is not output from PD PWB K for one second while laser is emitted.
Defective connector cable or poor contact in the connector. Defective APC PWB K. Defective PD PWB K. Defective engine PWB.

4202
Laser output error (cyan)
The pin photo signal is not output from PD PWB C for one second while laser is emitted.
Defective connector cable or poor contact in the connector. Defective APC PWB C. Defective PD PWB C. Defective engine PWB.

4203
Laser output error (magenta)
The pin photo signal is not output from PD PWB M for one second while laser is emitted.
Defective connector cable or poor contact in the connector. Defective APC PWB C. Defective PD PWB C. Defective engine PWB.

4204
Laser output error (yellow)
The pin photo signal is not output from PD PWB Y for one second while laser is emitted.
Defective connector cable or poor contact in the connector. Defective APC PWB C. Defective PD PWB C. Defective engine PWB.

4600
LSU cleaning motor error
When the LSU cleaning motor is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the LSU cleaning motor. Defective LSU cleaning motor. Defective engine PWB.

4700
VIDEO ASIC device error
Defective connector cable or poor contact in the connector. Defective main PWB or engine PWB.

5301
Broken cleaning lamp K wire
When the cleaning lamp K is driven, the lamp over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective cleaning lamp K. Defective engine PWB.

5302
Broken cleaning lamp C wire
When the cleaning lamp C is driven, the lamp over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective cleaning lamp K. Defective engine PWB.

5303
Broken cleaning lamp M wire
When the cleaning lamp M is driven, the lamp over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective cleaning lamp K. Defective engine PWB.

5304
Broken cleaning lamp Y wire
When the cleaning lamp Y is driven, the lamp over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective cleaning lamp K. Defective engine PWB.

6000
Broken fuser heater wire
The detected temperature of fuser thermistor does not rise 1„aC/1.8„aF after the fuser heater has been turned on continuously for 10 s in warming up. The fuser temperature does not reach 100„aC/212„aF after the fuser heater has been turned on continuously for 30 s in warming up. The detected temperature of fuser thermistor does not reach the specified temperature (ready indication temperature) after the fuser heater has been turned on continuously for 60 s in warming up. The detected temperature of fuser thermistor does not rise 1„aC/1.8„aF after the fuser heater has been turned on continuously for 10 s during printing.
Defective connector cable or poor contact in the connector. Fuser thermostat triggered. Broken fuser heater wire. Defective engine PWB.

6020
Abnormally high fuser thermistor temperature
The fuser thermistor detects a temperature higher than 240C/464F. By the activation of the high temperature error detection circuit (230C/446F or more) of fuser thermistor, the illumination of fuser heater was forcibly turned off and 10 s has elapsed.
Shorted fuser thermistor. Defective engine PWB.

6030
Broken fuser thermistor wire
Input from fuser thermistor is 3 or less (A/D value) continuously for 1 s.
Defective connector cable or poor contact in the connector. Broken fuser thermistor wire. Fuser thermostat triggered. Broken fuser heater wire. Defective engine PWB.

6400
Zero-cross signal error
The zero-cross signal does not reach the engine PWB for more than 1 s.
Defective connector cable or poor contact in the connector. Defective power source PWB or engine PWB

7001
Toner motor K error
When the toner motor K is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the toner motor K. Defective toner motor K. Defective engine PWB.

7002
Toner motor C error
When the toner motor C is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the toner motor K. Defective toner motor K. Defective engine PWB.

7003
Toner motor M error
When the toner motor M is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the toner motor K. Defective toner motor K. Defective engine PWB.

7004
Toner motor Y error
When the toner motor Y is driven, the motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
Defective connector cable or poor contact in the connector. Defective drive transmission system of the toner motor K. Defective toner motor K. Defective engine PWB.

7401
Developing unit K noninstalling error
No density detection signal is output from toner sensor K in developing unit K.
Defective connector cable or poor contact in the connector. Defective toner sensor K. Defective engine PWB.

7402
Developing unit C noninstalling error
No density detection signal is output from toner sensor C in developing unit C.
Defective connector cable or poor contact in the connector. Defective toner sensor K. Defective engine PWB.

7403
Developing unit M noninstalling error
No density detection signal is output from toner sensor M in developing unit M.
Defective connector cable or poor contact in the connector. Defective toner sensor K. Defective engine PWB.

7404
Developing unit Y noninstalling error
No density detection signal is output from toner sensor Y in developing unit Y.
Defective connector cable or poor contact in the connector. Defective toner sensor K. Defective engine PWB.

7411
Drum unit K non- installing error
The EEPROM of drum PWB K does not communicate normally.
Installation of incompatible drum unit K. Defective connector cable or poor contact in the connector. Defective drum PWB K. Defective engine PWB.

7412
Drum unit C non- installing error
The EEPROM of drum PWB C does not communicate normally.
Installation of incompatible drum unit K. Defective connector cable or poor contact in the connector. Defective drum PWB K. Defective engine PWB.

7413
Drum unit M non- installing error
The EEPROM of drum PWB M does not communicate normally.
Installation of incompatible drum unit K. Defective connector cable or poor contact in the connector. Defective drum PWB K. Defective engine PWB.

7414
Drum unit Y non- installing error
The EEPROM of drum PWB Y does not communicate normally.
Installation of incompatible drum unit K. Defective connector cable or poor contact in the connector. Defective drum PWB K. Defective engine PWB.

9500

9520
Contact the Service Administrative Division.

9530
Backup data error
The serial number of the machine written on the EEPROM of the engine PWB differs with that is written on both the flash memory of the engine PWB and the EEPROM of the drum PWB as a backup.
Replacing both the engine PWB and the drum unit at the same time.

F000
Main PWB — operation panel PWB communication error
Defective main PWB. Defective operation panel PWB.

F010
Main PWB checksum error
Defective main PWB

F020
Main PWB RAM checksum errors
Defective main memory (RAM) on the main PWB. Defective expanded memory (DIMM).

F040
Main PWB — print engine communication error
Defective main PWB. Defective engine PWB.

F041
Main PWB — scanner engine communication error
Defective main PWB. Defective engine PWB.

F050
Print engine ROM checksum error
Defective engine PWB.

F051
Scanner engine ROM checksum error
Defective engine PWB.

F278
Power supply in drive system error
Main power switch was turned off without using the power key, or a power failure has occurred.

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