Sharp MX4111N常見故障代碼描述,英文手冊1
更新時(shí)間：2024/11/20 17:36:57,view:88蘇州sharp打印機(jī)售后維修服務(wù)中心電話0512-696l6769
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: A0-05
Description:
Scanner expansion PWB (ACU) (ACRE) firmware error
Causes:
Improper firmware A firmware of a different model is installed. A ROM of a different model is installed.
Remedy:
Replace the ROM with a proper one. Write the proper firmware. (Upgrade to the proper firmware.)
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: A0-14
Description:
Inconsistency between the MFP and the CPU firmware version
Causes:
Combination error between the MFP and the CPU UI firmware version.
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: A0-16
Description:
Data error of the energy-saving NIC controller firmware in the SD card
Data error of the energy-saving NIC controller firmware in the SD card.
Causes:
SD card trouble. MFPC PWB trouble.
Remedy:
Reinstall the firmware. Replace the SD card. Replace the MFPC PWB.
Code: A0-17
Description:
Inconsistency between the UI data and the CPU firmware version
Causes:
Combination error between the UI contents data and the CPU UI firmware version.
Remedy:
Install the firmware in the all-firmware version-up mode.
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: C1-10
Description:
Main charger trouble (Monochrome)
Causes:
The main charger unit (BK) is not installed properly. There is an abnormality in the main charger unit (BK). The developer unit (KCMY) is not installed properly. There is an abnormality in the developer unit (KCMY). Disconnection of the high voltage MC PWB connector. Breakage of the high voltage harness. High voltage MC PWB trouble. PCU PWB trouble.
Remedy:
Check the output of the main charger with SIM8-2. Check the output of the developing bias with SIM8-1. Check disconnection of the main charger./Replace. Check disconnection of the developer unit./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the high voltage MC PWB. Replace the PCU PWB.
Code: C1-14
Description:
Main charger trouble (Color)
Causes:
The main charger unit (CMY) is not installed properly. There is an abnormality in the main charger unit (CMY).
Disconnection of the high voltage MC PWB connector. Breakage of the high voltage harness. High voltage MC PWB trouble. PCU PWB trouble.
Remedy:
Check the output of the main charger with SIM8-2. Check disconnection of the main charger./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the high voltage MC PWB Replace the PCU PWB.
Code: C4-00
Description:
PTC trouble
Causes:
The PTC unit is not properly installed. PTC unit trouble. Secondary transfer PWB trouble. The secondary transfer unit is not installed properly./ Trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the secondary transfer PWB. Replace the secondary transfer unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-02
Description:
PTC heater open trouble
Causes:
The PTC unit is not installed, or the eater line conduction trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-03
Description:
PTC heater short trouble
Causes:
PTC unit trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-10
Description:
PTC no control
Causes:
The engine soft SW8-3 in SIM55-1 is set to "1". The PTC control is not executed. (The PTC does not operate.) When the engine soft SW8-3 in SIM55-1 is set to "1", the PTC output, the heater control, and the error detection are disabled. When this setting is made in case of a PTC unit trouble, the PTC function is disabled regardless of the PTC trouble and printing operation can be performed.
Remedy:
Set the engine soft SW8-3 in SIM55-1 to "0". (The mode returns to the normal PTC control mode.)
Code: C4-20
Description:
Primary transfer output trouble
Causes:
The primary transfer unit is not installed properly./ Trouble. High voltage 1TC PWB trouble. High voltage MC PWB trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the primary transfer unit. Check disconnection of the high voltage 1TC PWB connector./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the PCU PWB.
Code: E6-10
Description:
Shading error (Black correction)
Causes:
Installation error of the CCD unit harness. CCD unit trouble. DSPF PWB trouble.
Remedy:
Check the installing state of the harness to the CCD unit. Check the CCD unit. Check the DSPF PWB.
Code: E6-11
Description:
Shading error (White correction)
Causes:
Installation error of the CCD unit harness. Copy lamp lighting trouble. Dirt on the mirror, the lens, or the reference white plate. CCD unit trouble. DSPF PWB trouble. Shading SIM not executed / Shading ROM abnormality.
Remedy:
Check the installing state of the harness the CCD unit. Check the installing state of the harness to the copy lamp unit. Clean the mirror, the lens, or the reference white plate. Check the CCD unit. Check the DSPF PWB.
Code: E6-14
Description:
CCD-ASIC error
Causes:
DSPF PWB trouble.
Remedy:
Check the DSPF PWB.
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: E7-02
Description:
HDD trouble when the mirroring kit is installed
Causes:
When installing the mirroring kit, the HDD of the machine or the HDD of the mirroring kit breaks down or connection fails. • Defective installation of the mirroring kit • Breakdown of the HDD of the mirroring kit • Defective connection between the HDD and the mirroring kit harness • MFP PWB trouble
Remedy:
• Use SIM62-20 to check the trouble. • Check installation of the mirroring kit (connector and harness), and replace if necessary. • Replace the broken HDD. • Replace the mirroring kit. • Replace the MFP PWB.
Code: E7-03
Description:
HDD trouble / Mirroring kit error
Causes:
Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble. (When the mirroring kit is installed) RAID PWB trouble. A HDD which has been used for mirroring is installed. Both HDD's go into trouble under the use environment of mirroring.
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. (When the mirroring kit is installed) Check the RAID PWB, and replace if necessary. Replace the HDD. (For details, refer to the HDD and RAID PWB replacement procedures under mirroring environment.)
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 (K)
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 laser detection error (C)
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: E7-22
Description:
LSU laser detection error (M)
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: E7-23
Description:
LSU laser detection error (Y)
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: E7-24
Description:
LSU LD driver error (K)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-25
Description:
LSU LD driver error (C)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-26
Description:
LSU LD driver error (M)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-27
Description:
LSU LD driver error (Y)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-28
Description:
LSU - PCU connection error
Causes:
Communication error between the CPU in the PCU PWB and the LSU control ASIC. Improper connection of the communication connector between the PCU PWB and the LSU control PWB (interface PWB). Harness trouble between the PCU PWB and the LSU control PWB (interface PWB) PCU PWB trouble. LSU control PWB trouble. LSU trouble. LSU mother PWB trouble.
Remedy:
Check connection of the connector and the harness between the PCU PWB and the LSU control PWB (interface PWB). Replace the LSU mother PWB. Replace the PCU PWB. Replace the LSU. Replace the LSU control PWB.
Code: E7-29
Description:
LSU ASIC frequency error
Causes:
Oscillation abnormality of the external oscillator and the internal oscillating circuit used in the LSU ASIC. LSU ASIC abnormality on the LSU ASIC PWB.
Remedy:
Replace the LSU control PWB.
Code: E7-42
Description:
Image data trouble (Scanner expansion PWB (ACRE) ASIC)
Causes:
An image data error occurs. An image data send error occurs. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-46
Description:
Image data decode error (Scanner expansion PWB (ACRE) ASIC)
Causes:
A decode error occurs while high compression PDF images are made. (garbled data) Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-48
Description:
Scanner expansion PWB (ACRE) ASIC memory error
• DDR calibration error
• DIMM insertion trouble, etc.
Causes:
Scanner expansion PWB (ACRE) DIMM trouble, memory slot trouble. Scanner expansion PWB (ACRE) DIMM insertion trouble. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check insertion of the scanner expansion PWB (ACRE) DIMM memory. Check the scanner expansion PWB (ACRE) DIMM memory, and replace if necessary. Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-49
Description:
Water Mark data error
Causes:
Watermark data trouble. HDD trouble.
Remedy:
Use SIM49-5 to upload the watermark data. Replace the HDD.
Code: E7-50
Description:
Combination error between PWB and firmware (PCU PWB detection)
Causes:
A PWB/firmware/LSU which is not compatible with the machine specifications is detected. PCU PWB trouble LSU trouble
Remedy:
Check the kind and the version of the firmware. Check or replace the LSU. Check or replace the PCU PWB.
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:
Combination error between PWB and firmware (MFPC PWB detection)
Causes:
A PWB/firmware which is not compatible with the machine specifications is detected in the MFPC PWB. MFPC PWB trouble.
Remedy:
Check the kind and the version of the firmware. Check or replace the MFPC PWB....
Code: E7-61
Description:
Combination error between the MFPC PWB and the PCU PWB (MFPC PWB detection)
Causes:
Combination error between the MFPC PWB and the PCU PWB. MFPC PWB trouble. PCU PWB trouble.
Remedy:
Check the combination between the MFPC PWB and the PCU PWB. Replace the MFPC PWB. Replace the PCU PWB.
Code: E7-62
Description:
Controller connection trouble (Scanner)
Causes:
Improper combination between the controller PWB and the scanner
Remedy:
Check the MFPC PWB. Check the combination between the controller PWB and the scanner.
Code: E7-65
Description:
MFP EEPROM sum check error
Causes:
MFPC PWB EEPROM trouble. MFPC PWB EEPROM contact trouble.
Remedy:
Replace the MFPC PWB. Replace the MFPC PWB EEPROM.
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: E7-89
Description:
Communication error between MFPC PWB CPU and energy-saving NIC controller
No response can be obtained from the energy-saving NIC controller
Causes:
MFPC PWB trouble.
Remedy:
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 c
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, 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)
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
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: E7-95
Description:
Printer PWB DIMM memory check error
Printer PWB DIMM memory access trouble
Causes:
Memory data corruption occurs Printer PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the printer PWB. DIMM memory socket check Replace 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: E7-A0
Description:
LSU LD PWB EEPROM read/write error (K)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A1
Description:
LSU LD PWB EEPROM read/write error (C)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A2
Description:
LSU LD PWB EEPROM read/write error (M)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A3
Description:
LSU LD PWB EEPROM read/write error (Y)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A5
Description:
Installation error of HDD which was used in the mirroring kit
When a HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit, its operation is restricted in order to prevent against malfunction.
Causes:
A HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit.
Remedy:
Replace the HDD with one which has not been used in the mirroring kit.
Code: EE-EC
Description:
Automatic toner density adjustment error
The sampling level in the automatic toner density adjustment is outside of 128
Causes:
Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.
Code: EE-EL
Description:
Automatic toner density adjustment error (Over toner)
The sampling level in the automatic toner density adjustment is 76 or less or the control voltage is 208 or above.
Causes:
Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.
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: A0-05
Description:
Scanner expansion PWB (ACU) (ACRE) firmware error
Causes:
Improper firmware A firmware of a different model is installed. A ROM of a different model is installed.
Remedy:
Replace the ROM with a proper one. Write the proper firmware. (Upgrade to the proper firmware.)
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: A0-14
Description:
Inconsistency between the MFP and the CPU firmware version
Causes:
Combination error between the MFP and the CPU UI firmware version.
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: A0-16
Description:
Data error of the energy-saving NIC controller firmware in the SD card
Data error of the energy-saving NIC controller firmware in the SD card.
Causes:
SD card trouble. MFPC PWB trouble.
Remedy:
Reinstall the firmware. Replace the SD card. Replace the MFPC PWB.
Code: A0-17
Description:
Inconsistency between the UI data and the CPU firmware version
Causes:
Combination error between the UI contents data and the CPU UI firmware version.
Remedy:
Install the firmware in the all-firmware version-up mode.
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: C1-10
Description:
Main charger trouble (Monochrome)
Causes:
The main charger unit (BK) is not installed properly. There is an abnormality in the main charger unit (BK). The developer unit (KCMY) is not installed properly. There is an abnormality in the developer unit (KCMY). Disconnection of the high voltage MC PWB connector. Breakage of the high voltage harness. High voltage MC PWB trouble. PCU PWB trouble.
Remedy:
Check the output of the main charger with SIM8-2. Check the output of the developing bias with SIM8-1. Check disconnection of the main charger./Replace. Check disconnection of the developer unit./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the high voltage MC PWB. Replace the PCU PWB.
Code: C1-14
Description:
Main charger trouble (Color)
Causes:
The main charger unit (CMY) is not installed properly. There is an abnormality in the main charger unit (CMY).
Disconnection of the high voltage MC PWB connector. Breakage of the high voltage harness. High voltage MC PWB trouble. PCU PWB trouble.
Remedy:
Check the output of the main charger with SIM8-2. Check disconnection of the main charger./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the high voltage MC PWB Replace the PCU PWB.
Code: C4-00
Description:
PTC trouble
Causes:
The PTC unit is not properly installed. PTC unit trouble. Secondary transfer PWB trouble. The secondary transfer unit is not installed properly./ Trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the secondary transfer PWB. Replace the secondary transfer unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-02
Description:
PTC heater open trouble
Causes:
The PTC unit is not installed, or the eater line conduction trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-03
Description:
PTC heater short trouble
Causes:
PTC unit trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to "1". This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to "0".
Code: C4-10
Description:
PTC no control
Causes:
The engine soft SW8-3 in SIM55-1 is set to "1". The PTC control is not executed. (The PTC does not operate.) When the engine soft SW8-3 in SIM55-1 is set to "1", the PTC output, the heater control, and the error detection are disabled. When this setting is made in case of a PTC unit trouble, the PTC function is disabled regardless of the PTC trouble and printing operation can be performed.
Remedy:
Set the engine soft SW8-3 in SIM55-1 to "0". (The mode returns to the normal PTC control mode.)
Code: C4-20
Description:
Primary transfer output trouble
Causes:
The primary transfer unit is not installed properly./ Trouble. High voltage 1TC PWB trouble. High voltage MC PWB trouble. PCU PWB trouble. Connector, harness connection trouble.
Remedy:
Replace the primary transfer unit. Check disconnection of the high voltage 1TC PWB connector./Replace. Check disconnection of the high voltage MC PWB connector./Replace. Replace the PCU PWB.
Code: E6-10
Description:
Shading error (Black correction)
Causes:
Installation error of the CCD unit harness. CCD unit trouble. DSPF PWB trouble.
Remedy:
Check the installing state of the harness to the CCD unit. Check the CCD unit. Check the DSPF PWB.
Code: E6-11
Description:
Shading error (White correction)
Causes:
Installation error of the CCD unit harness. Copy lamp lighting trouble. Dirt on the mirror, the lens, or the reference white plate. CCD unit trouble. DSPF PWB trouble. Shading SIM not executed / Shading ROM abnormality.
Remedy:
Check the installing state of the harness the CCD unit. Check the installing state of the harness to the copy lamp unit. Clean the mirror, the lens, or the reference white plate. Check the CCD unit. Check the DSPF PWB.
Code: E6-14
Description:
CCD-ASIC error
Causes:
DSPF PWB trouble.
Remedy:
Check the DSPF PWB.
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: E7-02
Description:
HDD trouble when the mirroring kit is installed
Causes:
When installing the mirroring kit, the HDD of the machine or the HDD of the mirroring kit breaks down or connection fails. • Defective installation of the mirroring kit • Breakdown of the HDD of the mirroring kit • Defective connection between the HDD and the mirroring kit harness • MFP PWB trouble
Remedy:
• Use SIM62-20 to check the trouble. • Check installation of the mirroring kit (connector and harness), and replace if necessary. • Replace the broken HDD. • Replace the mirroring kit. • Replace the MFP PWB.
Code: E7-03
Description:
HDD trouble / Mirroring kit error
Causes:
Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble. (When the mirroring kit is installed) RAID PWB trouble. A HDD which has been used for mirroring is installed. Both HDD's go into trouble under the use environment of mirroring.
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. (When the mirroring kit is installed) Check the RAID PWB, and replace if necessary. Replace the HDD. (For details, refer to the HDD and RAID PWB replacement procedures under mirroring environment.)
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 (K)
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 laser detection error (C)
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: E7-22
Description:
LSU laser detection error (M)
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: E7-23
Description:
LSU laser detection error (Y)
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: E7-24
Description:
LSU LD driver error (K)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-25
Description:
LSU LD driver error (C)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-26
Description:
LSU LD driver error (M)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-27
Description:
LSU LD driver error (Y)
Causes:
When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.
Remedy:
Use SIM61-1 to check the operation of the LSU. Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check connection of the harness/connector between the LD PWB and the LSU mother PWB.
Code: E7-28
Description:
LSU - PCU connection error
Causes:
Communication error between the CPU in the PCU PWB and the LSU control ASIC. Improper connection of the communication connector between the PCU PWB and the LSU control PWB (interface PWB). Harness trouble between the PCU PWB and the LSU control PWB (interface PWB) PCU PWB trouble. LSU control PWB trouble. LSU trouble. LSU mother PWB trouble.
Remedy:
Check connection of the connector and the harness between the PCU PWB and the LSU control PWB (interface PWB). Replace the LSU mother PWB. Replace the PCU PWB. Replace the LSU. Replace the LSU control PWB.
Code: E7-29
Description:
LSU ASIC frequency error
Causes:
Oscillation abnormality of the external oscillator and the internal oscillating circuit used in the LSU ASIC. LSU ASIC abnormality on the LSU ASIC PWB.
Remedy:
Replace the LSU control PWB.
Code: E7-42
Description:
Image data trouble (Scanner expansion PWB (ACRE) ASIC)
Causes:
An image data error occurs. An image data send error occurs. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-46
Description:
Image data decode error (Scanner expansion PWB (ACRE) ASIC)
Causes:
A decode error occurs while high compression PDF images are made. (garbled data) Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-48
Description:
Scanner expansion PWB (ACRE) ASIC memory error
• DDR calibration error
• DIMM insertion trouble, etc.
Causes:
Scanner expansion PWB (ACRE) DIMM trouble, memory slot trouble. Scanner expansion PWB (ACRE) DIMM insertion trouble. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy:
Check insertion of the scanner expansion PWB (ACRE) DIMM memory. Check the scanner expansion PWB (ACRE) DIMM memory, and replace if necessary. Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.
Code: E7-49
Description:
Water Mark data error
Causes:
Watermark data trouble. HDD trouble.
Remedy:
Use SIM49-5 to upload the watermark data. Replace the HDD.
Code: E7-50
Description:
Combination error between PWB and firmware (PCU PWB detection)
Causes:
A PWB/firmware/LSU which is not compatible with the machine specifications is detected. PCU PWB trouble LSU trouble
Remedy:
Check the kind and the version of the firmware. Check or replace the LSU. Check or replace the PCU PWB.
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:
Combination error between PWB and firmware (MFPC PWB detection)
Causes:
A PWB/firmware which is not compatible with the machine specifications is detected in the MFPC PWB. MFPC PWB trouble.
Remedy:
Check the kind and the version of the firmware. Check or replace the MFPC PWB....
Code: E7-61
Description:
Combination error between the MFPC PWB and the PCU PWB (MFPC PWB detection)
Causes:
Combination error between the MFPC PWB and the PCU PWB. MFPC PWB trouble. PCU PWB trouble.
Remedy:
Check the combination between the MFPC PWB and the PCU PWB. Replace the MFPC PWB. Replace the PCU PWB.
Code: E7-62
Description:
Controller connection trouble (Scanner)
Causes:
Improper combination between the controller PWB and the scanner
Remedy:
Check the MFPC PWB. Check the combination between the controller PWB and the scanner.
Code: E7-65
Description:
MFP EEPROM sum check error
Causes:
MFPC PWB EEPROM trouble. MFPC PWB EEPROM contact trouble.
Remedy:
Replace the MFPC PWB. Replace the MFPC PWB EEPROM.
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: E7-89
Description:
Communication error between MFPC PWB CPU and energy-saving NIC controller
No response can be obtained from the energy-saving NIC controller
Causes:
MFPC PWB trouble.
Remedy:
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 c
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, 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)
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
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: E7-95
Description:
Printer PWB DIMM memory check error
Printer PWB DIMM memory access trouble
Causes:
Memory data corruption occurs Printer PWB trouble DIMM memory trouble or contact error
Remedy:
Use SIM60-01 to check the read/write operations of the memory. Replace the printer PWB. DIMM memory socket check Replace 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: E7-A0
Description:
LSU LD PWB EEPROM read/write error (K)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A1
Description:
LSU LD PWB EEPROM read/write error (C)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A2
Description:
LSU LD PWB EEPROM read/write error (M)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A3
Description:
LSU LD PWB EEPROM read/write error (Y)
Write error in the EEPROM write sequence
Causes:
LD PWB EEPROM trouble. LSU mother PWB trouble. Connector/harness trouble between the LD PWB and the LSU mother PWB. Connector/harness trouble between the PCU PWB and the LSU mother PWB.
Remedy:
Check the LSU, and replace if necessary. Check the LSU mother PWB, and replace if necessary. Check the connector/harness between the LD PWB and the LSU mother PWB, and replace if necessary. Check the connector/harness between the PCU PWB and the LSU mother PWB, and replace if necessary. Replace the LSU.
Code: E7-A5
Description:
Installation error of HDD which was used in the mirroring kit
When a HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit, its operation is restricted in order to prevent against malfunction.
Causes:
A HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit.
Remedy:
Replace the HDD with one which has not been used in the mirroring kit.
Code: EE-EC
Description:
Automatic toner density adjustment error
The sampling level in the automatic toner density adjustment is outside of 128
Causes:
Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.
Code: EE-EL
Description:
Automatic toner density adjustment error (Over toner)
The sampling level in the automatic toner density adjustment is 76 or less or the control voltage is 208 or above.
Causes:
Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.
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