Sharp MXM753 with list Error Codes and Epson ET4700 Adjustment Program

Sharp MXM753 Printer with list Error Codes and Epson ET4700 Adjustment Program

– Printer model: Sharp MXM753
– Error codes on Sharp MXM753 with details instruction fixing:

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. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to perform the version-up procedure again. Replace the ROM.

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. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to perform the version-up procedure again. Replace the ROM.

Code: A0-04
Description: ACU PWB ROM error (when scanner expansion kit is installed)
Causes: The firmware update is failed because of turning OFF the power during the firmware update operation, etc. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to execute update of the firmware. Replace the ROM.

Code: A0-10
Description: MFP PWB ROM error
Causes: Firmware combination error between the MFP and the image ROM (color correction ROM).
Troubleshooting Guides: Upgrade the firmware versions of the MFP and the image ROM (color correction ROM).

Code: A0-11
Description: Firmware version inconsistency (MFP – PCU)
Causes: Firmware combination error between the MFP and the PCU.
Troubleshooting Guides: Check the combination between the MFP and the PCU.

Code: A0-12
Description: Firmware version inconsistency (MFP – SCU)
Causes: Firmware combination error between the MFP and the SCU.
Troubleshooting Guides: Check the combination between the MFP and the SCU.

Code: A0-15
Description: DSK BOOT version disagreement
Causes: Firmware combination error between the DSK and the BOOT.
Troubleshooting Guides: Check the combination between the DSK and the BOOT.

Code: A0-20
Description: Conflict firmware and EEPROM data version (MFP)
Causes: Inconsistency between the MFP firmware version and the EEPROM data version.
Troubleshooting Guides: 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.
Troubleshooting Guides: 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.
Troubleshooting Guides: Check the combination of the firmware.

Code: C1-10
Description: Main charger trouble
Causes: The main charger unit is not installed properly. There is an abnormality in the main charger unit. Disconnection of the high voltage PWB connector. MC/DV high voltage PWB trouble. PCU PWB trouble
Troubleshooting Guides: Check the output of the main charger with SIM8-2. Check disconnection of the main charger./Replace. Check disconnection of the high voltage PWB connector./Replace. Replace the MC/DV high voltage PWB. Replace the PCU PWB.

Code: E6-10
Description: DSPF shading error (Black correction)
Causes: Installation error of the CCD unit harness. CCD unit trouble. DSPF PWB trouble.
Troubleshooting Guides: Check the installing state of the harness to the CCD unit. Check the CCD unit. Check the DSPF PWB.

Code: E6-11
Description: DSPF shading error (White correction)
Causes: Installation error of the CCD unit harness. Copy lamp lighting trouble. Dirt on the reference white plate. CCD unit trouble. DSPF PWB trouble. Shading adjustment error
Troubleshooting Guides: Check the installing state of the harness the CCD unit. Clean the reference white plate. Check the CCD unit. Check the DSPF PWB.

Code: E6-14
Description: CCD-ASIC error
Causes: DSPF PWB trouble
Troubleshooting Guides: Replace the DSPF PWB.

Code: E7-01
Description: MFP image data error
Causes: Image data transfer error in the MFP PWB. MFP PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFP PWB. Replace the MFP PWB.

Code: E7-03
Description: HDD trouble
Causes: Connector, harness connection trouble in the MFP PWB and HDD. HDD error file management area data abnormality (FAT breakage). MFP PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFP PWB and HDD. Use SIM62-2,3 to check read/write operations of the HDD. Replace the HDD. Replace the MFP PWB.

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. An error occurs in the HDD-ASIC self test when booting.
Troubleshooting Guides: Replace the MFP PWB.

Code: E7-05
Description: Standard/Extension memory R/W error (MFP PWB) (Local memory)
Causes: Improper insertion of the memory. Garbled memory data. The memory capacity is not the specified level.
Troubleshooting Guides: Check insertion of the memory. Use SIM60-1 to check the read/write operations of the memory. Replace the expansion memory. Replace the MFP PWB.

– Sharp MXM753 printer Error Codes and quick guide on repairing:

Code: E7-06
Description: Image data decode error
Causes: Compressed image data abnormality. HDD connection trouble when HDD is installed. Image data compression/transfer data garble. MFP PWB trouble.
Troubleshooting Guides: If the job at an occurrence of an error is a FAX job, check the FAX PWB. Check connection of the MFPC PWB and the HDD. Replace the MFPC PWB.

Code: E7-08
Description: MFP memory compatibility error (MFP PWB) (Local memory)
Causes: A DIMM of different specifications is installed to the MFP memory slot. DIMM trouble.
Troubleshooting Guides: Check the installed DIMM. Replace the DIMM.

Code: E7-09
Description: Standard/Extension memory size (MFP PWB) (Local memory)
Causes: A DIMM which is not 512MB is inserted. DIMM trouble. Insufficient memory size
Troubleshooting Guides: Replace the DIMM.

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.
Troubleshooting Guides: 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. CCD unit abnormality. SCU PWB abnormality.
Troubleshooting Guides: Check connection of the harness to the CCD unit. Check connection of the harness to the scanner lamp unit. Clean the mirror, the lens, and the reference white plate. Check the CCD unit. Check the SCU PWB.

Code: E7-14
Description: CCD-ASIC error
Causes: SCU PWB trouble.
Troubleshooting Guides: Check the SCU PWB. Replace the SCU PWB.

Code: E7-20
Description: LSU laser detection error
Causes: Optical axis shift. Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD/BD PWB and the LSU control PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

Code: E7-21
Description: LSU laser deterioration trouble
Causes: Power reduction due to laser deterioration. Harness and connector disconnection/insertion trouble between the LD PWB and the LSU control PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

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 or LSU control PWB (interface PWB) trouble
Troubleshooting Guides: Check connection of the connector and the harness between the PCU PWB and the LSU control PWB (interface PWB). Replace the LSU control PWB. Replace the PCU 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.
Troubleshooting Guides: Replace the LSU control PWB.

Code: E7-42
Description: Data error (ACRE ASIC)
Causes: Image transfer trouble.
Troubleshooting Guides: Check the connection state of the ACRE ASIC PWB connector. Replace the ACRE ASIC PWB.

Code: E7-46
Description: Decode error (ACRE ASIC)
Causes: Compression data abnormality. Garbled data are produced in image compression/ transmission. ACRE ASIC PWB trouble.
Troubleshooting Guides: Check the installation state of the PWB. Check connection of the ACRE ASIC PWB. Replace the ACRE ASIC PWB.

Code: E7-48
Description: Memory error (ACRE ASIC)
Causes: DIMM trouble, memory slot trouble. DIMM insertion trouble, different DIMM inserted.
Troubleshooting Guides: DIMM trouble. Replace the PWB.

Code: E7-49
Description: Water Mark data error
Causes: Watermark data trouble
Troubleshooting Guides: Use SIM49-5 to upload the watermark data. Replace the HDD.

Code: E7-50
Description: Engine connection trouble
Causes: A PWB, or firmware, or LSU which is not supported by the machine specifications is detected in the PCU PWB. PCU PWB trouble. LSU trouble.
Troubleshooting Guides: Check the kind and the version of the firmware. Check the LSU, and replace it if necessary. Check the PCU PWB, and replace it if necessary.

Code: E7-55
Description: PWB information sum error (Engine detection)
PCU EEPROM PWB information sum error
Causes: PCU EEPROM sum check error. PCU EEPROM trouble. PCU EEPROM contact trouble. Malfunction due to noises
Troubleshooting Guides: Replace the PCU PWB. Replace the PCU EEPROM.

Code: E7-60
Description: Combination error between the MFP PWB and other PWB, firmware
Causes: A PWB or firmware which is not supported by the machine specifications is detected in the MFP PWB. MFP PWB trouble. The PWB/firmware which is not supported by the machine specifications is connected.
Troubleshooting Guides: Check the kind and the version of the firmware. Check the MFP PWB, and replace it if necessary.

Code: E7-61
Description: Combination error between the MFP PWB and the PCU PWB
Causes: Combination error between the MFP PWB and the PCU PWB. MFP PWB trouble. PCU PWB trouble.
Troubleshooting Guides: Check the combination between the MFP PWB and the PCU PWB. Replace the MFP PWB. Replace the PCU PWB.

Code: E7-62
Description: Combination error between the MFP PWB and the SCU PWB
Causes: Combination error between the MFP PWB and the SCU PWB. MFP PWB trouble. SCU PWB trouble.
Troubleshooting Guides: Check the combination between the MFP PWB and the SCU PWB. Replace the MFP PWB. Replace the SCU PWB.

Code: E7-65
Description: MFP EEPROM sum check error
Causes: MFP PWB EEPROM device breakdown. Contact trouble of the MFP EEPROM device. Malfunction due to noises.
Troubleshooting Guides: Replace the MFP PWB. Replace the MFP PWB EEPROM.

Code: E7-70
Description: Combination error between the SCU PWB and the other PWB
Causes: A SUC PWB /firmware which does not comply with the machine specifications is detected.
SCU PWB trouble. A PWB/firmware which does not comply with the machine specifications is connected.
Troubleshooting Guides: Check the firmware kind/version. Check and replace the SCU PWB.

Code: E7-75
Description: SCU EEPROM sum check error
Causes: SCU PWB EEPROM device breakdown. Contact trouble of the SCU EEPROM device. Malfunction due to noises.
Troubleshooting Guides: Replace the SCU PWB. Replace the SCU PWB EEPROM.

Code: E7-80
Description: MFP-SCU PWB communication error
Causes: SCU PWB connector connection trouble. SCU PWB – MFP PWB connection trouble. SCU PWB mother board connection trouble. SCU PWB trouble. MFP PWB trouble. Mother board trouble.
Troubleshooting Guides: Check connection of the SCU PWB, the MFP PWB, and the mother board. Check the ground. Replace the SCU PWB. Replace the MFP PWB. Replace the mother board.

Code: E7-90
Description: MFP – PCU PWB communication error
Causes: PCU PWB connector connection trouble. PCU PWB – MFP PWB connection trouble. PCU PWB trouble.
MFP PWB trouble. Mother board trouble.
Troubleshooting Guides: Check connection of the PCU PWB, the MFP PWB, and the mother board. Check the ground. Replace the PCU PWB. Replace the MFP PWB. Replace the mother board.

Code: EE-EC
Description: Automatic toner density adjustment error (Sampling level 26-102/114-200)
The sampling level in the automatic toner density adjustment is outside of 108
Causes: Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: 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 less than 26 or the control voltage is over 197.
Causes: Toner density sensor trouble. Charging voltage/ developing voltage trouble, toner density trouble, or developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

Code: EE-EU
Description: Automatic toner density adjustment error (Under toner)
The sampling level in the automatic toner density adjustment is over 200 or the control voltage is less than 49.
Causes: Toner density sensor trouble. Charging voltage/ developing voltage trouble, toner density trouble, or developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

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. Strong external noises.
Troubleshooting Guides: Check the connector and the harness between the finisher and the PCU PWB. Replace the finisher control PWB. Replace the PCU PWB.

Code: F1-02
Description: Finisher paper transport motor trouble
Causes: Finisher paper transport motor trouble. Harness and connector connection trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper transport motor. Replace the paper transport motor. Check connection of the connector and the harness. Replace the finisher control 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.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper exit roller lift motor. 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: F1-08
Description: Stapler shift trouble
Causes: Stapler shift motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the stapler shift motor. Replace the stapler shift motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-09
Description: Finisher load quantity sensor trouble
Causes: Punch paper edge sensor trouble. Harness disconnection. Finisher control PWB trouble. Punch control PWB trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the sensor. Replace the punch paper edge sensor. Replace the finisher control PWB. Replace the punch control PWB.

Code: F1-10
Description: Staple operation trouble
Causes: Staple motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the staple motor. Replace the staple motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-11
Description: Finisher grip operation trouble
Causes: Gripper arm motor trouble. Finisher control PWB trouble. Grip arm trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the gripper arm motor. Replace the gripper arm motor (FGAM). Replace the finisher control PWB. Replace the grip arm. Replace the home position sensor.

Code: F1-14
Description: Finisher paper tail push down motor trouble
Causes: Paper tail push down motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper tail push down motor. Replace the paper tail push down motor (FPTPDM). Replace the finisher control PWB. Replace the home position sensor.

Code: F1-15
Description: Finisher paper exit tray lift operation trouble
Lift motor trouble.
Causes: Paper exit tray lift motor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper exit tray lift motor. Replace the finisher control PWB. Replace the paper exit tray lift motor (FTLM).

Code: F1-18
Description: Finisher paper tail holding motor trouble
Causes: Finisher paper tail holding motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper tail holding motor. Replace the paper tail holding motor (FPTHM). Replace the home position sensor. Replace the finisher control PWB.

Code: F1-19
Description: Finisher alignment operation trouble F
Causes: Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Home position sensor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor. Replace the paper alignment motor (FPAM-F). Replace the home position sensor. Replace the finisher control PWB.

Code: F1-20
Description: Finisher alignment operation trouble R
Causes: Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Home position sensor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor. Replace the paper alignment motor (FPAM-F). Replace the home position sensor. Replace the finisher control PWB.

Code: F1-21
Description: Finisher paper delivery unit cooling fan trouble
Causes: Finisher paper delivery unit cooling fan motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper delivery unit cooling fan motor. Replace the paper delivery unit cooling fan motor (PDCF). Replace the finisher control PWB. Check connection of the connector and the harness.

Code: F1-23
Description: Finisher shutter trouble
Causes: Motor lock trouble. Control PWB trouble. Home position sensor trouble. Connection harness/connector connection trouble.
Troubleshooting Guides: Check the operation of the rear edge assist motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.

Code: F1-25
Description: Finisher paper transport roller lift motor trouble
Causes: Finisher paper transport roller lift motor lock trouble. Home position sensor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper transport roller lift motor. Replace the paper transport roller lift motor (FPTRLM). Replace the home position sensor. Replace the finisher control PWB.

Code: F1-28
Description: Finisher paper alignment roller lift motor trouble
Causes: Finisher paper alignment roller lift motor lock trouble. Home position sensor trouble. Finisher control PWB trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment roller lift motor. Replace the paper alignment roller lift motor (FARLM). Replace the home position sensor. Replace the finisher control PWB.

Code: F1-30
Description: Finisher – Saddle unit communication trouble
Causes: Connector and harness connection trouble. Finisher control PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness. Turn OFF/ON the power. Replace the finisher control PWB.

Code: F1-31
Description: Saddle paper folding trouble
Causes: Saddle paper transport motor trouble. Saddle paper folding mechanism trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle paper folding. Replace the saddle paper transport motor (FSPTM). Check and repair the saddle paper folding mechanism. Replace the finisher control PWB Replace the home position sensor.

Code: F1-33
Description: Punch unit shift operation trouble
Causes: Punch shift motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the punch operation. Replace the punch motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

Code: F1-34
Description: Punch operation trouble
Causes: Punch motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Replace the finisher control PWB. Readjust the finisher. (Use SIM3-10,Finisher control PWB DIP SW adjustment.)

Code: F1-37
Description: Finisher data backup RAM error
Causes: Finisher control PWB trouble. Malfunction due to noises
Troubleshooting Guides: Replace the punch control PWB. Set the punch unit specifications, and adjust the sensor. (Punch unit control PWB DIP SW adjustment.)

Code: F1-38
Description: Punch data backup RAM error
Causes: Punch control PWB trouble. Malfunction due to noises
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle positioning motor. Replace the saddle positioning motor (FSPM). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-41
Description: Saddle paper positioning operation trouble
Abnormality in the folding positioning guide motor in the saddle section.
Causes: Saddle positioning motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle roller guide motor. Replace the saddle roller guide motor (FSRGM). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-42
Description: Saddle guide motor trouble
Causes: Saddle roller guide motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle alignment motor. Replace the saddle alignment motor (FSPAM). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-43
Description: Saddle alignment operation trouble
Causes: Saddle alignment motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle staple motor R. Replace the saddle staple motor R (FSDSMR). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-44
Description: Saddle staple motor R trouble
Causes: Saddle staple motor R trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle staple motor F. Replace the saddle staple motor F (FSDSMF). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-45
Description: Saddle staple motor F trouble
Abnormality of the staple unit drive motor in the saddle section.
Causes: Saddle staple motor F trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle motor. Replace the saddle motor (FSDM). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

Code: F1-46
Description: Saddle motor trouble
Causes: Saddle motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle motor. Replace the saddle motor (FSDM). Replace the finisher control PWB. Replace the home position sensor. Check connection of the harness and the connector.

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.
Troubleshooting Guides: Install a proper finisher. Replace the finisher control PWB.

Code: F1-51
Description: Saddle sensor connection trouble
Causes: Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the guide home position sensor and the saddle plate position sensor. Replace the finisher control PWB. Check connection of the harness and the connector.

Code: F1-52
Description: Finisher micro switch trouble
Causes: Finisher control PWB trouble. Each micro switch trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the safety switch 1 and the delivery roller lift down sensor. Replace the finisher control PWB. Check connection of the harness and the connector.

Code: F1-60
Description: Finisher – Inserter communication trouble
Causes: Connector and harness connection trouble. Finisher control PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness. Turn OFF/ON the power. Replace the finisher control PWB.

Code: F1-61
Description: Inserter EEPROM trouble
Causes: EEPROM trouble. Inserter PWB EEPROM access circuit trouble.
Troubleshooting Guides: Check the installing state of the EEPROM. Replace the inserter control PWB.

Code: F1-62
Description: Inserter reverse sensor trouble
Causes: Sensor breakage. Harness disconnection. Inserter PWB trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the sensor. Replace the inserter control PWB.

Code: F1-80
Description: Finisher power cooling fan motor trouble
Causes: Power cooling fan motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Replace the power cooling fan motor. Replace the finisher control PWB. Check connection of the harness and the connector.

Code: F1-81
Description: Finisher paper delivery unit paper transport motor trouble
Causes: Paper delivery unit paper transport motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper delivery unit paper transport motor. Replace the paper delivery unit paper transport motor (PDPTM). Replace the finisher control PWB. Check connection of the harness and the connector.

Code: F1-83
Description: Finisher paper guide motor trouble
Causes: Paper guide motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper guide motor. Replace the paper guide motor (FPGM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F1-84
Description: Finisher grip trouble
Causes: Gripper motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble
Troubleshooting Guides: Use SIM3-3 to check the operation of the gripper motor. Replace the gripper motor (FGM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F1-86
Description: Finisher delivery paper holding motor trouble
Causes: Delivery paper holding motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the delivery paper holding motor. Replace the delivery paper holding motor (FDPHM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F2-31
Description: Image density sensor trouble (OPC drum surface reflection ratio abnormality)
Causes: Before execution of the process control, a document is scanned by the image density sensor and the sensor gain is adjusted so that the output is at a fixed level. Though, however, the sensor gain is changed, the output does not become a fixed level. Image density sensor trouble Connection trouble of the harness between the PCU PWB and the image density sensor Image density sensor dirt
Troubleshooting Guides: Use SIM44-2 to execute the gain adjustment of the process control sensor. When there are some troubles, ‘Error’ is displayed. Check the sensor and the harness at that time.

Code: F2-39
Description: Process thermistor trouble
Causes: Process thermistor trouble. Process thermistor harness connection trouble. PCU PWB trouble
Troubleshooting Guides: Replace the process thermistor. Check connection of the harness and the connector. Replace the PCU PWB.

Code: F2-40
Description: Toner density sensor trouble
Causes: Toner density sensor output abnormality (Sample level less than 26, or over 200) Connection trouble of the connector and the harness. Developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Check connection of the connectors and the harness. Replace the developing unit. Replace the PCU PWB.

Code: F2-46
Description: Developing thermistor trouble
Causes: Developing thermistor harness connection trouble. Developing thermistor harness trouble. PCU PWB trouble.
Troubleshooting Guides: Check connection of the harness and connector of the developing thermistor. Replace the developing thermistor harness. Replace the PCU PWB.

Code: F2-47
Description: Room temperature thermistor trouble
Causes: Room temperature thermistor trouble. Room temperature thermistor harness trouble. PCU PWB trouble.
Troubleshooting Guides: Check connection of the harness and connector of the room temperature thermistor. Replace the room temperature thermistor harness. Replace the PCU PWB.

Code: F2-48
Description: Developing humidity sensor trouble
Causes: Developing humidity sensor harness connection trouble. Developing humidity sensor trouble. PCU PWB trouble.
Troubleshooting Guides: Check connection of the harness and connector of the developing humidity sensor. Replace the developing humidity sensor. Replace the PCU PWB.

Code: F2-59
Description: Room humidity sensor trouble
Causes: Room humidity sensor harness connection trouble. Room humidity sensor trouble. PCU PWB trouble.
Troubleshooting Guides: Check connection of the harness and connector of the room humidity sensor. Replace the room humidity sensor. Replace the PCU PWB.

Code: F2-64
Description: Toner supply operation trouble
Causes: Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble.
Troubleshooting Guides: Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-68
Description: Waste toner full sensor trouble
Causes: Waste toner full sensor trouble Connector/harness trouble. Waste toner pipe clogging
Troubleshooting Guides: Replace the waste toner full sensor. Connector/harness trouble. Remove clogging in the waste toner pipe.

Code: F2-69
Description: Waste toner full detection
Causes: Waste toner full detection
Troubleshooting Guides: Replace the toner cartridge.

Code: F2-70
Description: Improper toner cartridge detection
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB.

Code: F2-74
Description: Toner cartridge CRUM error
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Connector and harness check.

Code: F3-12
Description: Paper feed tray 1 lift operation trouble
Causes: T1LUD is not turned ON within the specified time. T1LUD sensor trouble Paper feed tray 1 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check connection of the harness and the connector of T1LUD. Replace the lift up unit. Replace the PCU PWB. Use SIM15 to cancel the trouble.

Code: F3-22
Description: Paper feed tray 2 lift operation trouble
Causes: T2LUD does not turn ON within the specified time. T2LUD sensor trouble. Paper feed tray 2 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the harness and the connector of T2LUD. Replace the lift up unit. Replace the PCU PWB. Use SIM15 to cancel the trouble.

Code: F3-32
Description: Paper feed tray 3 lift operation trouble
Causes: M1LUD does not turn ON within the specified time. M1LUD sensor trouble. Paper feed tray 3 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the harness and the connector of M1LUD. Replace the lift up unit. Replace the PCU PWB.

Code: F3-42
Description: Paper feed tray 4 lift operation trouble
Causes: M2LUD does not turn ON within the specified time. M2LUD sensor trouble. Paper feed tray 4 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the harness and the connector of M2LUD. Replace the lift up unit. Replace the PCU PWB.

Code: F4-38
Description: Voltage trouble
Causes: Connector/harness connection trouble or disconnection PCU PWB trouble. Power unit trouble. AC PWB trouble.
Troubleshooting Guides: Check the connector and harness of the power line. Replace the PCU PWB. Replace the power unit. Replace the AC PWB.

Code: F6-00
Description: MFP-FAX communication trouble
Communication establishment error/Framing/Parity/ Protocol error
Causes: FAX unit PWB connector connection error FAX unit PWB – MFPcnt PWB harness trouble FAX unit PWB mother board connector pin breakage FAX unit ROM trouble/ROM pin breakage
Troubleshooting Guides: Case 1 Cause FAX unit PWB connector connection error Check and Troubleshooting Guides Check the connector connection between the FAX unit PWB and the MFPcnt PWB. Case 2 Cause FAX unit PWB – MFPcnt PWB harness trouble Check and Troubleshooting Guides Check the connector harness between the FAX unit PWB and the MFPcnt PWB. Case 3 Cause FAX unit PWB mother board connector pin breakage Check and Troubleshooting Guides Check the machine grounding. Case 4 Cause FAX unit ROM trouble/ROM pin breakage Check and Troubleshooting Guides Check the FAX unit PWB ROM.

Code: F6-01
Description: FAX board EEPROM read/write error
EEPROM access error (read/write)
Causes: EEPROM trouble FAX PWB EEPROM access circuit trouble
Troubleshooting Guides: Case 1 Cause EEPROM trouble Check and Troubleshooting Guides Check that no trouble occurs after replacement of EEPROM. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed. Case 2 Cause FAX PWB EEPROM access circuit trouble Check and Troubleshooting Guides Replace the PWB. In this case, not need to execute the simulation.

Code: F6-04
Description: FAX MODEM operation trouble
FAX PWB MODEM chip operation trouble
Causes: FAX PWB MODEM chip operation trouble The FAX PWB MODEM chip cannot be accessed
Troubleshooting Guides: Case 1 Cause FAX PWB MODEM chip operation trouble Check and Troubleshooting Guides Replace the FAX PWB MODEM chip. Case 2 Cause The FAX PWB MODEM chip cannot be accessed. Check and Troubleshooting Guides Replace the FAX PWB.

Code: F6-21
Description: Combination error between the TEL/LIU PWB and the FAX soft switch
Combination error between the TEL/LIU PWB and the FAX PWB information (soft switch)
Causes: The destination of the installed TEL/LIU PWB differs. TEL/LIU PWB trouble
Troubleshooting Guides: Case 1 Cause The destination of the installed TEL/LIU PWB differs. Check and Troubleshooting Guides Check the destination of the installed TEL/LIU PWB. Case 2 Cause TEL/LIU PWB trouble Check and Troubleshooting Guides Replace the TEL/LIU PWB.

Code: F6-30
Description: Access error to 1-chip microprocessor on the FAX board (FAX detection)
Access error (read/write) to 1-chip microprocessor on the FAX board
Causes: Program writing error (or no writing) to the 1-chip microprocessor
1-chip microprocessor trouble
FAX PWB 1-chip microprocessor access circuit trouble
Troubleshooting Guides: Case 1 Cause Program writing error (or no writing) to the 1-chip microprocessor Check and Troubleshooting Guides Use SIM66-42 to rewrite the 1-chip microprocessor program. Case 2 Cause 1-chip microprocessor trouble Check and Troubleshooting Guides Replace the 1-chip microprocessor chip. When replacing, use SIM66-42 to rewrite the 1-chip microprocessor program. Case 3 Cause FAX PWB 1-chip microprocessor access circuit trouble Check and Troubleshooting Guides Replace the FAX PWB.

Code: F6-97
Description: The FAX PWB does not match with the machine model.
The FAX PWB identification model does not match with the machine model.
Causes: An improper type of FAX PWB is installed to the machine.
Troubleshooting Guides: Replace the FAX PWB with a proper one.

Code: F6-98
Description: Combination error between the FAXBOX destination information and the machine destination information.
Combination error between the FAX PWB destination information and the machine destination information.
Causes: Combination error between the destination information written in EEPROM on the FAX PWB and the destination information of the machine (set with SIM26-6).
Troubleshooting Guides: 1) Check the destination of the FAX PWB. 2) Check the destination of the machine. (SIM26-6) 3) Use a proper combination of the machine and the FAX PWB.

Code: H2-00
Description: Thermistor open trouble (TH_UM)
Causes: Thermistor trouble. PCU PWB trouble Connection trouble of the connector and the harness. Fusing unit not installed.
Troubleshooting Guides: Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness.

Code: H2-01
Description: Thermistor open trouble (TH_US)
Causes: Thermistor trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Troubleshooting Guides: Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Causes: The fusing temperature exceeds the specified level. Thermistor trouble. PCU PWB trouble Connection trouble of the fusing section connector and the harness. HL PWB trouble.
Troubleshooting Guides: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness. Replace the HL PWB.

Code: H3-01
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Thermistor trouble. PCU PWB trouble. HL PWB trouble. Fusing section connector connection trouble. HL PWB trouble.
Troubleshooting Guides: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Check connection of the thermistor and the harness. Check the PCU PWB thermistor input circuit section. (When the lamp is ON:) Check the HL PWB and the PCU PWB lamp circuit. Replace the thermistor, the HL PWB, and the PCU PWB.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL PWB trouble. Interlock switch trouble.
Troubleshooting Guides: Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL PWB. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H4-01
Description: Fusing section low temperature trouble (TH_US)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermistor trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. HL PWB trouble. Interlock switch trouble.
Troubleshooting Guides: Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL PWB. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H5-01
Description: 5 times continuous POD1 not-reach jam
Causes: A fusing jam is not canceled completely. (A jam paper remains.) POD1 sensor trouble. Fusing unit installation trouble. Connector, harness connection trouble. PCU PWB trouble
Troubleshooting Guides: Replace the POD1 sensor. Check the installing position of the fusing unit. Replace the fusing unit. Check connection of the connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.

Code: H7-10
Description: Recovery error from low fuser temp. (TH_UM)
Causes: The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature. Thermistor trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. HL PWB trouble.
Troubleshooting Guides: Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL PWB. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: H7-11
Description: Recovery error from low fuser temp. (TH_US)
Causes: The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature. Thermistor trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. HL PWB trouble.
Troubleshooting Guides: Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL PWB. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: L1-00
Description: Scanner feed trouble
Causes: Scanner feed is not completed within the specified time. Scanner unit trouble. SCU PWB trouble Scanner control PWB trouble. Harness and connector connection trouble. Scanner home position sensor trouble. Scanner motor trouble.
Troubleshooting Guides: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCU PWB. Check connection of the connectors and the harness. Replace the scanner home position sensor. Replace the scanner motor.

Code: L3-00
Description: Scanner return trouble
Causes: Scanner return is not completed within the specified time. Scanner unit trouble. SCU PWB trouble Scanner control PWB trouble. Harness and connector connection trouble. Scanner home position sensor trouble. Scanner motor trouble.
Troubleshooting Guides: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCU PWB. Check connection of the connectors and the harness. Replace the scanner home position sensor. Replace the scanner motor.

Code: L4-01
Description: Main motor trouble
Causes: Main motor trouble. Harness and connector connection trouble. PCU PWB trouble.
Troubleshooting Guides: Use SIM6-1 to check the operation of the main motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-02
Description: Drum motor trouble
Causes: The motor lock signal is detected during rotation of the drum motor. Drum motor trouble. Harness and connector connection trouble. PCU PWB trouble. Developing unit trouble. Drum unit trouble.
Troubleshooting Guides: Use SIM25-1 to check the operation of the drum motor. Replace the drum motor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the developing unit. Replace the drum unit.

Code: L4-03
Description: Fusing motor trouble
Causes: The motor lock signal is detected during rotation of the fusing motor. Fusing motor trouble. Connection trouble of the connector and the harness. PCU PWB trouble.
Troubleshooting Guides: Use SIM6-1 to check the operation of the fusing motor. Replace the Fusing motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-04
Description: Developing motor trouble
Causes: The motor lock signal is detected during rotation of the developing motor. Developing motor trouble. Harness and connector connection trouble. PCU PWB trouble Developing unit trouble.
Troubleshooting Guides: Use SIM25-1 to check the operation of the developing motor. Replace the developing motor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the developing unit.

Code: L4-06
Description: Transfer separation motor trouble
Causes: Transfer separation motor trouble. Harness and connector connection trouble. PCU PWB trouble.
Troubleshooting Guides: Use SIM6-3 to check the operation of the transfer separation motor. Replace the transfer separation motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-08
Description: Waste toner transport trouble
Causes: Drum motor trouble. Waste toner transport pipe clogging. Harness and connector connection trouble. Waste toner lock sensor trouble.
Troubleshooting Guides: Use SIM6-1 to check the operation of the drum motor. Replace the drum motor. Check connection of the connectors and the harness. Check the waste toner transport pipe for clogging. Replace the waste toner lock sensor. Replace the PCU PWB.

Code: L4-30
Description: MFP fan motor trouble
Causes: Fan motor trouble. MFP PWB trouble.Harness and connector connection trouble. PCU PWB trouble
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the fan motor. Replace the MFP PWB. Check connection of the connector and the harness. Replace the PCU PWB.

Code: L4-31
Description: Fusing section cooling fan (CFM-U1/3) trouble
Causes: The fan operation signal is not detected within the specified time in the fusing section cooling fan operation. Fusing section cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the rotating operation of the fan. Replace the fusing section cooling fan. Replace the PCU PWB.

Code: L4-32
Description: Power supply cooling fan (CFM-DC1/DC2) trouble
Causes: The fan operation signal is not detected within the specified time in the power cooling fan operation.
Power cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the power cooling fan. Replace the PCU PWB. Check/replace the connector or the harness.

Code: L4-35
Description: Fusing exhaust fan (VFM-BKR) trouble
Causes: The fan operation signal is not detected within the specified time in the fusing exhaust fan operation.
Fusing exhaust fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the fusing exhaust. Replace the PCU PWB.

Code: L4-38
Description: Fusing section cooling fan (CFM-U4) trouble
Causes: The fan operation signal is not detected within the specified time in the fusing section cooling fan operation. Fusing section cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the fusing section cooling fan. Replace the PCU PWB.

Code: L4-40
Description: Process exhaust fan (VFM-EX1/2/3) trouble
Causes: The fan operation signal is not detected within the specified time in the process exhaust fan operation. Process exhaust fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the process exhaust fan. Replace the PCU PWB.

Code: L4-43
Description: Paper cooling fan trouble
Causes: The fan operation signal is not detected within the specified time in the paper cooling fan operation. Paper cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connector and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the paper cooling fan. Replace the PCU PWB.

Code: L4-46
Description: Developing section cooling fan (CFM-DV) trouble
Causes: The fan operation signal is not detected within the specified time in the developing section cooling fan operation. Developing section cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connector and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the developing section cooling fan. Replace the PCU PWB.

Code: L4-50
Description: Process cooling fan (CFM-R1/2/3) trouble
Causes: The fan operation signal is not detected within the specified time in the process cooling fan operation. Process cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connector and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the process cooling fan. Replace the PCU PWB.

Code: L4-56
Description: Fusing section cooling fan (CFM-U2) trouble
Causes: The fan operation signal is not detected within the specified time in the fusing section cooling fan operation. Fusing section cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the fusing section cooling fan. Replace the PCU PWB.

Code: L4-58
Description: Process exhaust fan (VFM-BKL) trouble
Causes: The fan operation signal is not detected within the specified time in the process exhaust fan operation. Process exhaust fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the process exhaust fan. Replace the PCU PWB.

Code: L6-10
Description: Polygon motor trouble
Causes: The motor does not reach the specified rpm in 8 sec after starting rotation of the polygon motor. Polygon motor trouble. LSU control PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM61-1 to check the operation of the polygon motor. Check connection of the connector and the harness. Replace the polygon motor. Replace the LSU. Replace the LSU control PWB.

Code: L8-01
Description: Full wave signal detection error
Causes: No full wave signal is detected. PCU PWB trouble Power unit trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness.

Code: L8-02
Description: Full wave signal error
Causes: An abnormality in the full wave signal frequency is detected. (The frequency is detected as 65Hz or above, or 45Hz or less.) PCU PWB trouble. Power unit trouble. Connection trouble of the connector and the harness. Power frequency, waveform abnormality.
Troubleshooting Guides: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness. Check the power waveform.

Code: L8-20
Description: Communication error of MFP PWB/ Mother board
Causes: Mother board PWB – MFP PWB connection trouble. MFP PWB trouble. Mother trouble.
Troubleshooting Guides: Check connection between the mother board and the MFP PWB. Check the ground of the main unit. Replace the MFPC PWB. Replace the mother board.

Code: PC–
Description: Personal counter not detected
Causes: The personal counter is not installed. The personal counter is not detected.
Troubleshooting Guides: Check connection of the connectors and the harness. Replace the SCU PWB.

Code: U1-01
Description: Battery trouble
Backup SRAM battery voltage fall.
Causes: Battery life Battery circuit abnormality
Troubleshooting Guides: Check to confirm that the battery voltage is about 2.0V or above.

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Replace the MFP PWB EEPROM. Replace the MFP PWB. Check the power environment.

Code: U2-05
Description: HDD/MFP PWB SRAM contents inconsistency
Causes: The HDD or the MFP PWB which differs from that before turning OFF the power is installed. HDD trouble. MFP PWB trouble.
Troubleshooting Guides: Use SIM16 to cancel the error. If there is backup data (export data by device cloning), import it.

Code: U2-10
Description: MFP PWB SRAM user authentication index check sum error
Causes: SRAM user index information (user authentication basic data) check sum error. MFP PWB SRAM trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. Transfer the user index information data in the HDD to the SRAM. Replace the MFP PWB.

Code: U2-11
Description: MFP PWB EEPROM counter check sum error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-12
Description: FAX SRAM check sum error
Causes: Check sum error of the user index information (user authentication basic data) in the SRAM. MFP PWB SRAM trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. Transfer the user index information data in the HDD to the SRAM. Replace the MFP PWB.

Code: U2-22
Description: MFP PWB SRAM memory check sum error
Causes: The identifier which controls the communication management table stored in the SRAM and the FAX soft switch is not detected correctly. MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Since the data of the communication management table and the FAX soft switch stored in the SRAM are initialized when an error occurs, register the deleted data again individually. Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-23
Description: MFP PWB SRAM memory individual data check sum error
MFP PWB SRAM memory individual data check sum error.
Causes: The check sum value for individual data of the communication table and the sender registration does not match. MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Turn OFF/ON the power to initialize the data related to the content of check sum error. Since the registered contents are deleted, register the deleted contents again. Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-24
Description: MFP PWB SRAM memory user authentication counter check sum error
Causes: MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error.

Code: U2-30
Description: MFP PWB and PCU PWB manufacturing No. data inconsistency
Causes: Inconsistency between the manufacturing No. saved in the PCU PWB and that in the MFP PWB. When replacing the PCU PWB or the MFP PWB, the EEPROM which was mounted on the PWB before replacement is not mounted on the new PWB. MFP PWB trouble. PCU PWB trouble
Troubleshooting Guides: Check that the EEPROM is properly set. Check to confirm that the EEPROM which was mounted on the PWB before replacement is mounted on the new PWB. Replace the MFP PWB. Replace the PCU PWB.

Code: U2-50
Description: HDD/Flash memory registration data check sum error
HDD/MFP Flash data check sum error (MFP PWB detection)
Causes: HDD/MFP PWB Flash memory data check sum error (when HDD is not installed) • Address book • Image send series registration data (Sender record, meta data, etc.) • Job end list (FAX/Internet FAX/scanner job only), etc. Error in write/read circuit to HDD or MFP Flash memory Malfunctions caused by noises MFP PWB HSS access circuit error
Troubleshooting Guides: Use SIM16 to cancel the U2 trouble. Check the following data for any abnormality. If there is any abnormality, reset and register the content. • Address book • Image send series registration data (Sender record, meta data, etc.) • Job end list (FAX/Internet FAX/scanner job only), etc. Replace the HDD. Replace the MFP PWB.

Code: U2-60
Description: Water Mark check error
Causes: Watermark data trouble
Troubleshooting Guides: Use SIM49-5 to upload the watermark data.

Code: U2-80
Description: SCU PWB EEPROM read/write error
Causes: SCU PWB EEPROM trouble. SCU PWB trouble. EEPROM socket contact trouble.
Troubleshooting Guides: Replace the SCU PWB EEPROM. Replace the SCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U2-81
Description: SCU PWB EEPROM check sum error
Causes: SCU PWB EEPROM trouble. Installation of non-initialized EEPROM. SCU PWB trouble. EEPROM socket contact trouble.
Troubleshooting Guides: Replace the SCU PWB EEPROM. Replace the SCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U2-90
Description: PCU PWB EEPROM read/write error
Causes: PCU PWB EEPROM trouble. Installation of non-initialized EEPROM. PCU PWB trouble EEPROM socket contact trouble.
Troubleshooting Guides: Replace the PCU PWB EEPROM. Replace the PCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U2-91
Description: PCU PWB EEPROM check sum error
Causes: PCU PWB EEPROM trouble. Installation of non-initialized EEPROM. PCU PWB trouble EEPROM socket contact trouble.
Troubleshooting Guides: Replace the PCU PWB EEPROM. Replace the PCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U5-00
Description: Document feed unit communication error
Causes: Connector, harness connection trouble. SCU PWB trouble. DSPF PWB trouble.
Troubleshooting Guides: Turn OFF/ON the power. Check connection of the connector and the harness. Replace the SCU PWB. Replace the DSPF PWB.

Code: U5-16
Description: Document feed unit fan motor trouble
Causes: Fan motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM2-3 to check the operation. Check the DSPF PWB and the driver PWB connection of the connector and the harness.

Code: U5-30
Description: Document feed unit tray lift up trouble
Causes: STUD does not turn ON 5 times continuously within the specified time. STUD/STLD sensor trouble. Connection trouble of the connector and the harness. DSPF PWB trouble.
Troubleshooting Guides: Replace the STUD/STLD sensor. Check connection of the connector and the harness. Replace the DSPF PWB.

Code: U5-31
Description: Document feed unit tray lift down trouble
Causes: STLD does not turn OFF within the specified time. STUD/STLD sensor trouble. Connection trouble of the connector and the harness. DSPF PWB trouble.
Troubleshooting Guides: Replace the STUD/STLD sensor. Check connection of the connector and the harness. Replace the STUD/STLD. Replace the DSPF PWB.

Code: U5-40
Description: Document feed unit installation trouble
Causes: When two or more document feed units are detected. Connection trouble of the connector and the harness. Document feeder trouble.
Troubleshooting Guides: Check connection of the connector and the harness.

Code: U6-09
Description: LCC lift trouble
Causes: No change in the lift motor rotation sensor signal is detected within the specified time after outputting the lift motor ON signal. The lift motor rotation sensor signal varies though the lift motor is stopped. Lift motor rotation sensor trouble. LCC control PWB trouble Lift mechanism trouble. Lift motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM4-2 and 4-3 to check the operation of the sensor and the lift motor. Replace the lift motor rotation sensor. Replace the LCC control PWB. Replace the lift mechanism. Replace the lift motor. Check connection of the connector and the harness. Use SIM15 to cancel the trouble.

Code: U6-20
Description: PCU PWB – LCC communication error
Causes: Error when testing the communication line after turning ON the power or canceling the simulation. LCC control PWB trouble. PCU PWB trouble. Connector, harness connection trouble. Strong external noises. Improper combination between the main unit and the LCC.
Troubleshooting Guides: Cancel the error by turning OFF/ON the power. Check the connector and the harness in the communication line. Replace the LCC control PWB. Replace the PCU PWB.

Code: U6-21
Description: LCC paper transport motor trouble
Causes: No change in the paper transport motor rotation sensor signal is detected within the specified time after outputting the paper transport motor ON signal. The paper transport motor rotation sensor signal varies though the paper transport motor is stopped. Paper transport motor rotation sensor trouble. LCC control PWB trouble. Mechanism trouble. Paper transport motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM4-3 to check the operation of the paper transport motor. Replace the paper transport motor. Replace the LCC control PWB. Replace the mechanism. Replace the paper transport motor. Check connection of the connector and the harness.

Code: U6-22
Description: LCC 24V power trouble
Causes: The DC24V power is not supplied from the main unit to the LCC. Connector, harness connection trouble. LCC control PWB trouble. Power source unit trouble.
Troubleshooting Guides: Check the connector and the harness in the power line. Replace the power unit. Replace the LCC control PWB.

Code: U6-23
Description: A3LCC tray descending trouble
Causes: Reverse-winding detection SW-ON. The wire is wound reversely. Reverse-winding detection SW trouble. Connector, harness connection trouble. LCC control PWB trouble.
Troubleshooting Guides: Check the wire. Replace the reverse-winding SW and the LCC control PWB. Check connection of the connector and the harness.

Code: U6-24
Description: A3LCC tray lock trouble
Causes: Tray lock mechanism breakdown. Tray lock sensor trouble. Connector, harness connection trouble. LCC control PWB trouble.
Troubleshooting Guides: Check the tray lock mechanism. Replace the tray lock sensor and the LCC control PWB. Check connection of the connector and the harness.

Code: U6-51
Description: LCC – Main unit combination trouble
Causes: Improper combination between the main unit and the LCC. LCC control PWB trouble.
Troubleshooting Guides: Install a LCC which is proper for the main unit mode. Replace the LCC control PWB.

Code: U7-50
Description: MFP PWB – Vendor machine communication error
Communication error between the MFP and the serial vendor.
Causes: Improper setting of the vendor machine specifications (SIMI26-3). Vendor machine trouble. MFP PWB trouble. Connector, harness connection trouble. Strong external noises.
Troubleshooting Guides: Cancel the error by turning OFF/ON the power. Check the connector and the harness in the communication line. Change the specifications of the vendor machine (SIM26-3). Replace the MFP PWB.

Code: U7-51
Description: Vendor machine error
MFP (Notification of a trouble from the serial vendor)
Causes: Serial vendor machine trouble. Connector, harness connection trouble.
Troubleshooting Guides: ‘Err.XX’ is displayed on the operation panel of the vendor. (XX is the detail code.) Repair the vendor machine referring to the detail code. Check the connector and the harness in the communication line.

Code: UC-02
Description: IPD/DOCC ASIC IPD section error
Causes: SCU PWB trouble (IPD/DOCC ASIC trouble).
Troubleshooting Guides: Replace the SCU PWB.

Code: UC-20
Description: IPD/DOCC ASIC DOCC section error
Causes: SCU PWB trouble (IPD/DOCC ASIC trouble).
Troubleshooting Guides: Replace the SCU PWB.

Epson ET4700 Adjustment Program

– OS Support: only Windows Operating System.
– Because Adjprog.exe gets Hardware ID info => Antivirus will misunderstand Adjprog.exe is the virus ==> you need to disable antivirus before extract and run Epson ET4700 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson ET4700 AdjProg or Epson ET4700 Adjustment Program or Epson ET4700 Adj Program, is a middleware developed by third-party software to supply for Epson ET4700 printer, making printer continuous printing without error.

– Epson ET4700 Adjustment Program is featured with clearing the waste ink counter, ultra-deep clean to clean the printhead, adjust the smoothness of the printhead, adjust the motor headers, and fix the errors: no printing, lack of colour printing, colour blur, prints with horizontal and vertical stripes…

Epson ET4700 Adjustment Functions:

– Bi-D Adjustment
– USB ID Input
– Initial Ink Charge
– Deep Cleaning the Print Head
– Reset Waste Ink Pad Counter
– Head ID Setting
– EEPROM initial setting
– Top margin Adjustment

Using Epson ET4700 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson ET4700 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson ET4700 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson ET4700 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson ET4700 Adjustment Program Step 6

Active Epson ET4700 Adjustment Program

– Run Adjprog.exe, Copy ET4700 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson ET4700 Adjustment Program.