Code: A0-01
Description:
PCU PWB ROM error
Causes:
The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. PCU PWB trouble.
Remedy:
Use SIM49-1 to perform the firmware version-up procedure again. Replace the PCU PWB.
Code: A0-02
Description:
SCU PWB ROM error
Causes:
The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. SCU PWB trouble.
Remedy:
Use SIM49-1 to perform the firmware version-up procedure again. Replace the SCU PWB.
Code: A0-04
Description:
Scanner expansion PWB (ACU) (ACRE) ROM error
Causes:
Scanner expansion PWB (ACU) (ACRE) ROM data error. An error occurs during firmware upgrading for some reasons.
Remedy:
Perform firmware upgrading again.
Code: A0-10
Description:
Color profile error
Causes:
The content of the color profile is abnormal. Combination error between the MFPC PWB firmware and the color profile
Remedy:
Upgrade the firmware collectively. Replace the MFPC PWB.
Code: A0-11
Description:
Firmware version inconsistency (MFP - PCU)
Causes:
Firmware combination error between the MFP and the PCU.
Remedy:
Install the firmware in the all-firmware version-up mode.
Code: A0-15
Description:
Incompatible DSK BOOT and program firmware
Causes:
Installation of the normal firmware was performed with a security kit enable.
Remedy:
Stop installation of the normal firmware.
Code: A0-20
Description:
Conflict firmware and EEPROM data version (MFP)
Causes:
Inconsistency between the MFP firmware version and the EEPROM data version.
Remedy:
Check the combination of the firmware.
Code: A0-21
Description:
Conflict firmware and EEPROM data version (PCU)
Causes:
Inconsistency between the PCU firmware version and the EEPROM data version.
Remedy:
Check the combination of the firmware.
Code: A0-22
Description:
Conflict firmware and EEPROM data version (SCU)
Causes:
Inconsistency between the SCU firmware version and the EEPROM data version.
Remedy:
Check the combination of the firmware.
Code: E7-01
Description:
MFP image data error
Causes:
Image data transfer error in the MFPC PWB. MFPC PWB trouble.
Remedy:
Check connection of the connector and the harness of the MFPC PWB. Check or replace the MFPC PWB.
Code: E7-03
Description:
HDD trouble
Causes:
Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble.
Remedy:
Check connection of the connector and the harness of the MFPC PWB and HDD. Use SIM62-2, 3 to check read/write operations of the HDD. Replace the HDD. Check or replace the MFPC PWB.
Code: E7-04
Description:
HDD-ASIC error
Causes:
HDD-ASIC trouble. (MFPC PWB trouble.) An error occurs in the HDD-ASIC self test when booting.
Remedy:
Check or replace the MFPC PWB.
Code: E7-07
Description:
SD card error
Causes:
SD card trouble or contact error MFPC PWB trouble.
Remedy:
Replace the SD card. Check the SD card socket. Replace the MFPC PWB.
Code: E7-10
Description:
Shading error (Black correction)
Causes:
Abnormality in the CCD black scan level when the scanner lamp is turned OFF. Improper installation of the harness to the CCD unit. CCD unit abnormality. SCU PWB abnormality.
Remedy:
Check connection of the harness to the CCD unit. Check the CCD unit. Check the SCU PWB.
Code: E7-11
Description:
Shading error (White correction)
Causes:
Abnormality in the CCD white reference plate scan level when the scanner lamp is turned ON. Improper installation of the harness to the CCD unit. Dirt on the mirror, lens, and the reference white plate. Scanner lamp lighting trouble. Scanner lamp drive PWB trouble CCD unit abnormality. SCU PWB abnormality.
Remedy:
Check connection of the harness to the CCD unit. Check connection of the harness to the scanner lamp unit. Check or replace the scanner lamp. Check or replace the scanner lamp drive PWB. Clean or replace the mirror, the lens, and the reference white board. Check or replace the CCD unit. Check or replace the SCU PWB.
Code: E7-14
Description:
CCD-ASIC error
Causes:
SCU PWB trouble.
Remedy:
Check the SCU PWB. Replace the SCU PWB.

Code: E7-20
Description:
LSU laser detection error
Causes:
Laser optical axis misalignment Reduced laser power, lighting error, laser diode trouble. LSU harness, connector trouble LSU trouble
Remedy:
Use SIM61-1 to check the operation of the LSU. Check or replace the LSU control PWB. Check connection of the LSU harness. Replace the LSU.
Code: E7-21
Description:
LSU LD deterioration trouble
Laser trouble
Causes:
Laser deterioration, power reduction Disconnection or improper connection of harness and connector between LD PWB and MFPC PWB.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check connection of the harness of each PWB inside the LSU. Replace the MFPC PWB. Replace the LSU.
Code: E7-28
Description:
LSU control Asic connection error
Access error between the CPU in the PCU PWB and the LSU control ASIC.
Causes:
Improper connection of the communication connector between the PCU PWB and the MFPC PWB (interface PWB). Harness trouble between the PCU PWB and the MFPC PWB (interface PWB) PCU PWB or MFPC PWB (interface PWB) trouble.
Remedy:
Check connection of the connector and the harness between the PCU PWB and the MFPC PWB (interface PWB). Replace the MFPC PWB. Replace the PCU PWB.
Code: E7-49
Description:
Water Mark data error
Causes:
Watermark data trouble.
HDD trouble.
* When the wartermark data is not installed, U2-60 error occurs in booting.
Remedy:
Use SIM62-02/SIM62-03 to check HDD read/write. If the result is NG, a remedy corresponding to E7-03 is required. Use SIM49-05 to update the watermark data. (Reinstallation)
Code: E7-50
Description:
PCU connection trouble
Unknown PWB identification information is detected in the PCU PWB.
Causes:
A PWB/firmware which does not comply with the machine specifications is connected.
Remedy:
Check the kind and the version of the firmware. LSU connection trouble. PCU PWB trouble. LSU trouble.
Code: E7-55
Description:
PCU PWB information sum error
PCU EEPROM PWB information sum error
Causes:
PCU EEPROM sum check error. PCU EEPROM trouble. PCU EEPROM contact trouble.
Remedy:
Replace the PCU PWB. Replace the PCU EEPROM.
Code: E7-60
Description:
MFP connection trouble
Unknown PWB identification information is detected in the MFPC PWB.
Causes:
A PWB/firmware which does not comply with the machine specifications is connected.
Remedy:
Check the kind and the version of the firmware. MFPC PWB trouble.
Code: E7-61
Description:
MFP connection trouble (PCU)
MFP connection trouble
Compatibility trouble between MFP - PCU
Causes:
Combination error between the MFPC PWB and the PCU.
Remedy:
Check the MFPC PWB. Check the combination between the MFPC PWB and the PCU.

Code: E7-65
Description:
MFP EEPROM check sum error
EEPROM PWB information check sum error
Causes:
EEPROM device trouble. EEPROM device contact trouble. Device access error due to noises.
Remedy:
Replace the MFPC PWB.
Code: E7-80
Description:
MFP - SCU PWB communication error
Causes:
SCU PWB - MFPC PWB connection trouble. SCU PWB trouble. MFPC PWB trouble.
Remedy:
Check connection of the SCU PWB and the MFPC PWB. Check the ground. Replace the SCU PWB. Replace the MFPC PWB.
Code: E7-90
Description:
MFP - PCU PWB communication error
Causes:
PCU PWB - MFPC PWB connection trouble. PCU PWB trouble. MFPC PWB trouble.
Remedy:
Check connection of the PCU PWB and the MFPC PWB. Check the ground. Replace the PCU PWB. Replace the MFPC PWB.
Code: E7-91
Description:
FAX reception image data error
An error of FAX reception image data process occurs.
Causes:
Image data process abnormality HDD trouble SD card trouble or contact error Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error FAX control PWB trouble
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace or check installation of the SD card. Replace the MFPC PWB. Replace or check installation of the DIMM memory. Replace the FAX control PWB.
Code: E7-92
Description:
Copy image data error
An error of copy image data process occurs. (In Non ERDH)
Causes:
Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.
Code: E7-93
Description:
Copy, image send, FAX, filing, print image data process error
An image data process error occurs in the following operation mode: • Copy (in ERDH) • Copy composing system function (Water mark) • When in image send • When filing documents • When displaying the preview • When printing with the GDI/PCL printer • Copy composing system function (Water mark) • When printing FAX send result table
Causes:
Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.
Code: E7-94
Description:
Image file data process error (when importing file data)
File image process error (backup restore error) when importing filing data
Causes:
Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.
Code: E7-96
Description:
MFPC PWB DIMM memory check error
MFPC PWB DIMM memory access trouble
Causes:
Memory data corruption occurs MFPC PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the MFPC PWB. DIMM memory socket check Replace the DIMM memory.

Code: EE-EL
Description:
Auto developer adjustment trouble (Over-toner abnormality)
An abnormality occurred in execution of automatic developer adjustment.
Causes:
Toner density sensor trouble, charging voltage/ developing voltage error, toner concentration trouble, developing unit trouble, PCU PWB trouble.
Remedy:
Use SIM25-2 to perform the auto developer adjustment.
Code: EE-EU
Description:
Auto developer adjustment trouble (Under-toner abnormality)
An abnormality occurred in execution of automatic developer adjustment.
Causes:
Toner density sensor trouble, charging voltage/ developing voltage error, toner concentration trouble, developing unit trouble, PCU PWB trouble.
Remedy:
Use SIM25-2 to perform the auto developer adjustment.
Code: F1-00
Description:
Finisher - PCU PWB communication error
Causes:
Connection trouble of the connector and the harness between the finisher and the PCU PWB. Finisher control PWB trouble. PCU PWB trouble.
Remedy:
Check the connector and the harness between the finisher and the PCU PWB. Replace the finisher control PWB. Replace the PCU PWB.
Code: F1-03
Description:
Finisher paper exit roller lifting operation trouble
Causes:
Finisher paper exit roller lift motor trouble Harness and connector connection trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the paper exit roller lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the paper exit roller lift motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-10
Description:
Staple operation trouble
Causes:
Staple motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the staple motor. Use SIM3-2 to check the operation of the home position sensor. Replace the staple motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-15
Description:
Finisher paper exit tray lift operation trouble
Causes:
Paper exit tray lift motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the paper exit tray lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper exit tray lift motor. Replace the home position sensor.
Code: F1-19
Description:
Finisher alignment operation trouble F
Causes:
Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Finisher control PWB trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the paper alignment motor F. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper alignment motor F. Replace the home position sensor.
Code: F1-20
Description:
Finisher alignment operation trouble R
Causes:
Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Finisher control PWB trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the paper alignment motor R. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper alignment motor R. Replace the home position sensor.

Code: F1-29
Description:
Finisher cooling fan motor abnormality
Finisher cooling fan motor abnormality
Causes:
Motor lock Motor harness short/open. Finisher control PWB trouble. Harness/connector connection trouble.
Remedy:
Use SIM3-3 to check the operation of the finisher cooling fan (FCF). Check connection from the finisher control PWB to the motor. Replace the finisher control PWB. Replace the fan motor.
Code: F1-37
Description:
Finisher data backup RAM error
Causes:
Finisher control PWB trouble. Malfunction due to noises
Remedy:
Replace the finisher control PWB. Readjust the finisher. (Use SIM3-10, Finisher control PWB DIP SW adjustment.)
Code: F1-50
Description:
Main unit - Finisher combination error
Causes:
The finisher which is not supported by the main unit model is installed. Finisher control PWB trouble.
Remedy:
Install a proper finisher. Replace the finisher control PWB.
Code: F1-95
Description:
Paper exit option configuration error
Causes:
The paper exit option configuration is improper.
Remedy:
Install a proper option.
Code: F2-39
Description:
Process thermistor trouble
Causes:
Process thermistor trouble. Process thermistor harness connection trouble. PCU PWB trouble.
Remedy:
Replace the process thermistor. Check connection of the process thermistor harness and the connector. Replace the PCU PWB.
Code: F2-40
Description:
Toner density sensor trouble
Causes:
Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.
Code: F2-58
Description:
Temperature/humidity sensor trouble (HUD_M/TH_M)
Causes:
Temperature/humidity sensor trouble. Process humidity sensor harness and connector connection trouble PCU PWB trouble.
Remedy:
Replace the temperature/humidity sensor. Check connection of the temperature/humidity sensor harness and the connector. Replace the PCU PWB.
Code: F2-64
Description:
Toner supply operation trouble
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.