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Sharp ARC270常见故障代码描述,英文手册1

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Code: A0 0
Description:
ROM trouble (PCU MAIN PWB)
Causes:
Mismatch between ROM and PCU MAIN PWB (mismatch in signal levels)
Remedy:
Case 1 Trouble position/ cause ROM trouble/Improper ROM insertion Remedy (Check) (Repair) Replace the PCU MAIN PWB ROM. (After work) Case 2 Trouble position/ cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power OFFON (After work) Reenter the set values and the adjustment values.
Code: C1 10
Description:
Main charger trouble (BLACK)
Causes:
"In warm-up, the image density sensor detects the transfer belt surface and its output exceeds the specified level."
Remedy:
Case 1 Trouble position / cause Main charger output trouble (Toner is attached to the transfer drum due to an abnormal output of the main charger in warm-up.) Remedy (Check) "Main charger contact check / Main charger unit check / High voltage PWB, high voltage interface PWB check / Main charger output voltage check" (Repair) "Main charger unit replacement / High power PWB, high voltage interface PWB replacement / Main charger output voltage adjustment (SIM 8-2)" / Power Source-ON (After-work) Execute image density correction (SIM 44-6). / Execute half tone density correction (SIM 44-26). Note Case 2 Trouble position/cause Image density sensor trouble Remedy (Check) "Image density sensor check (dirt, output) / Image density sensor calibration plate check / Image density sensor calibration plate switch operation check" (Repair) "Image density sensor cleaning, replacement / Image density sensor calibration plate cleaning, replacement / Image density sensor calibration plate switch solenoid replacement" / Power Source-ON (After-work) Execute ADJ M6. Note Case 3 Trouble position/cause "Transfer belt trouble (dirt, scratches)" Remedy (Check) "Toner dispersion from transfer belt cleaner, OPC drum unit, developing unit" (Repair) "Transfer belt cleaning, replacement / Transfer belt cleaner replacement / OPC drum unit, developing unit cleaning" / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 5 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB image density sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: C1 11
Description:
Main charger trouble (CYAN)
Causes:
"In warm-up, the image density sensor detects the transfer belt surface and its output exceeds the specified level. "
Remedy:
Case 1 Trouble position/cause Main charger output trouble (Toner is attached to the transfer drum due to an abnormal output of the main charger in warm-up.) Remedy (Check) "Main charger contact check / Main charger unit check / High voltage PWB, high voltage interface PWB check / Main charger output voltage check" (Repair) "Main charger unit replacement / High power PWB, high voltage interface PWB replacement / Main charger output voltage adjustment (SIM 8-2)" / Power Source-ON (After-work) Execute image density correction (SIM 44-6). / Execute half tone density correction (SIM 44-26). Note Case 2 Trouble position/cause Image density sensor trouble Remedy (Check) "Image density sensor check (dirt, output) / Image density sensor calibration plate check / Image density sensor calibration plate switch operation check" (Repair) "Image density sensor cleaning, replacement / Image density sensor calibration plate cleaning, replacement / Image density sensor calibration plate switch solenoid replacement" / Power Source-ON (After-work) Execute ADJ M6 Case 3 Trouble position/cause "Transfer belt trouble (dirt, scratches)" Remedy (Check) "Toner dispersion from transfer belt cleaner, OPC drum unit, developing unit" (Repair) "Transfer belt cleaning, replacement / Transfer belt cleaner replacement / OPC drum unit, developing unit cleaning" / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 5 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB image density sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: C1 12
Description:
Main charger trouble (MAGENTA)
Causes:
"In warm-up, the image density sensor detects the transfer belt surface and its output exceeds the specified level. "
Remedy:
Case 1 Trouble position/cause Main charger output trouble (Toner is attached to the transfer drum due to an abnormal output of the main charger in warm-up.) Remedy (Check) "Main charger contact check / Main charger unit check / High voltage PWB, high voltage interface PWB check / Main charger output voltage check" (Repair) "Main charger unit replacement / High power PWB, high voltage interface PWB replacement / Main charger output voltage adjustment (SIM 8-2)" / Power Source-ON (After-work) Execute image density correction (SIM 44-6). / Execute half tone density correction (SIM 44-26). Note Case 2 Trouble position/cause Image density sensor trouble Remedy (Check) "Image density sensor check (dirt, output) / Image density sensor calibration plate check / Image density sensor calibration plate switch operation check" (Repair) "Image density sensor cleaning, replacement / Image density sensor calibration plate cleaning, replacement / Image density sensor calibration plate switch solenoid replacement" / Power Source-ON (After-work) Execute ADJ M6. Note Case 3 Trouble position/cause "Transfer belt trouble (dirt, scratches)" Remedy (Check) "Toner dispersion from transfer belt cleaner, OPC drum unit, developing unit" (Repair) "Transfer belt cleaning, replacement / Transfer belt cleaner replacement / OPC drum unit, developing unit cleaning" / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 5 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB image density sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: C1 13
Description:
Main charger trouble (YELLOW)
Causes:
"In warm-up, the image density sensor detects the transfer belt surface and its output exceeds the specified level. "
Remedy:
Case 1 Trouble position/cause Main charger output trouble (Toner is attached to the transfer drum due to an abnormal output of the main charger in warm-up.) Remedy (Check) "Main charger contact check / Main charger unit check / High voltage PWB, high voltage interface PWB check / Main charger output voltage check" (Repair) "Main charger unit replacement / High power PWB, high voltage interface PWB replacement / Main charger output voltage adjustment (SIM 8-2)" / Power Source-ON (After-work) Execute image density correction (SIM 44-6). / Execute half tone density correction (SIM 44-26). Note Case 2 Trouble position/cause Image density sensor trouble Remedy (Check) "Image density sensor check (dirt, output) / Image density sensor calibration plate check / Image density sensor calibration plate switch operation check" (Repair) "Image density sensor cleaning, replacement / Image density sensor calibration plate cleaning, replacement / Image density sensor calibration plate switch solenoid replacement" / Power Source-ON (After-work) Execute ADJ M6. Note Case 3 Trouble position/cause "Transfer belt trouble (dirt, scratches)" Remedy (Check) "Toner dispersion from transfer belt cleaner, OPC drum unit, developing unit" (Repair) "Transfer belt cleaning, replacement / Transfer belt cleaner replacement / OPC drum unit, developing unit cleaning" / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 5 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB image density sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: E7 1
Description:
Image data memory trouble
Causes:
"When checking the ICU image data memory (Tandem memory), the memory capacity is judged as less than the specified capacity (128MB)."
Remedy:
Case 1 Trouble position/cause Tandem memory and its peripheral circuit trouble (ICU MAIN PWB trouble) Remedy (Check) Check read/write operation of Tandem memory. (SIM 60-1) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROOM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E7 10
Description:
Shading trouble (Black correction)
Causes:
"In shading correction, the CCD black reading level is abnormal (with the scanner lamp OFF)."
Remedy:
Case 1 Trouble position/cause Bad connection between the CCD unit and the ICU SCAN PWB Remedy (Check) Check connection of the flat cable between the CCD unit and the ICU SCAN PWB. (Repair) Replace the flat cable between the CCD unit and the ICU SCAN PWB. / Power Source-ON Case 2 Trouble position/cause CCD unit trouble Remedy (Check) Check the CCD black offset level (SIM 46-6). / Check the shading correction result (SIM 63-1). (Repair) Replace the CCD unit. / Power Source-ON (After-work) Adjust ADJM17-ADJ1. Note Case 3 Trouble position/cause "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB trouble" Remedy (Check) (Repair) "Replace ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB." / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E7 11
Description:
Shading trouble (White correction)
Causes:
"In shading correction, the CCD white reading level is abnormal (with the scanner lamp OFF)."
Remedy:
Case 1 Trouble position/cause Bad connection of the flat cable between the CCD unit and the ICU SCAN PWB. Remedy (Check) Check connection of the flat cable between the CCD unit and the ICU SCAN PWB. (Repair) Replace the flat cable between the CCD unit and the ICU SCAN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause CCD unit trouble Remedy (Check) CCD black offset level check (SIM 46-6) / Shading correction result check (SIM 63-1) (Repair) Replace the CCD unit. / Power Source-ON (After-work) Adjust ADJM17-ADJ1. Note Case 3 Trouble position/cause "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB trouble" Remedy (Check) (Repair) "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB." / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause "Scanner section dirt (Shading sheet trouble (dirt, scratch)/Lens dirt/Mirror dirt/Reflector dirt)" Remedy (Check) Scanner section dirt check (Repair) Clean the scanner section (shading sheet/lens/CCD/mirror/reflector)./Power Source-ON (After-work) Note Case 5 Trouble position/cause Scanner lamp insufficient light quantity (Scanner lamp trouble/scanner lamp control PWB trouble) Remedy (Check) Check the scanner lamp applying voltage (62.3V) (SIM 5-3). (Repair) Replace the scanner lamp. / Replace the scanner lamp control PWB. / Power Source-ON (After-work) Adjust ADJM17-ADJ1.

Code: E7 20
Description:
Laser beam sensor trouble (BLACK)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 21
Description:
Laser beam sensor trouble (CYAN)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble/Laser beam sensor trouble/Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 22
Description:
Laser beam sensor trouble (MAGENTA)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 23
Description:
Laser beam sensor trouble (YELLOW)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 24
Description:
Laser beam detection trouble (BLACK)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 25
Description:
Laser beam detection trouble (CYAN)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 26
Description:
Laser beam detection trouble (MAGENTA)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 27
Description:
Laser beam detection trouble (YELLOW)
Causes:
The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 30
Description:
ICU PWB FLASH ROM trouble
Causes:
"After turning ON the power, consistency of the ICU MAIN PWB and the ROM (FLASH ROM) is checked and no consistency is found."
Remedy:
Case 1 Trouble position/cause ICUMAIN PWB trouble / ICU MAIN PWB ROM(FLASH ROM) trouble Remedy (Check) Check whether the installed ICU MAIN PWB or the ICU FLASH ROM is of the other model (AR-C100/150). (Repair) Replace the ICUMAIN PWB. / Replace the ICU MAIN PWB ROM(FLASH ROM). / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E7 90
Description:
ICUMAIN PWB - PCU MAIN PWB communication trouble (PCU side detection)
Causes:
Caused by line noise on the data line (Hardware trouble)
Remedy:
Case 1 Trouble position/cause PCUMAIN PWB / ICU MAIN PWB signal line connection trouble Remedy (Check) Check connection of the signal line between the PCUMAIN PWB and the ICU MAIN PWB. (Repair) Repair or replace the cable and the connector between the PCUMAIN PWB and the ICU MAIN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E8 0
Description:
ICUMAIN PWB - PCU MAIN PWB communication trouble (PCU side detection)
Causes:
No response from ICU PWB for PCU PWB command (Caused by Hardware trouble)
Remedy:
Case 1 Trouble position/cause PCUMAIN PWB / ICU MAIN PWB signal line connection trouble Remedy (Check) Check connection of the signal line between the PCUMAIN PWB and the ICU MAIN PWB. (Repair) Repair or replace the cable and the connector between the PCUMAIN PWB and the ICU MAIN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E8 1
Description:
ICUMAIN PWB - PCU MAIN PWB communication trouble (PCU side detection)
Causes:
No response from ICU PWB for PCU PWB command (Caused by software trouble)
Remedy:
Case 1 Trouble position/cause PCUMAIN PWB / ICU MAIN PWB signal line connection trouble Remedy (Check) Check connection of the signal line between the PCUMAIN PWB and the ICU MAIN PWB. (Repair) Repair or replace the cable and the connector between the PCUMAIN PWB and the ICU MAIN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: EE EL
Description:
Toner concentration reference control level setup trouble (Overtoner)
Causes:
"When setting the toner concentration reference control level , the toner concentration sensor output is not within the specified range. (The output level is 77 or less.)"
Remedy:
Case 1 Trouble position/cause Toner density sensor trouble / Toner density sensor signal line connection trouble Remedy (Check) Check the toner concentration output level with SIM 25-1. (Repair) Toner concentration sensor replacement (Developing unit replacement) / Power Source-ON (After-work) Execute ADJ M3. Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) (Repair) Process control PWB replacement / Power Source-ON Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: EE EU
Description:
Toner concentration reference control level setup trouble (Undertoner)
Causes:
"When setting the toner concentration reference control level , the toner concentration sensor output is not within the specified range. (The output level is179 or above.)"
Remedy:
Case 1 Trouble position/cause Toner density sensor trouble / Toner density sensor signal line connection trouble Remedy (Check) Check the toner concentration output level with SIM 25-1. (Repair) Toner concentration sensor replacement (Developing unit replacement) / Power Source-ON (After-work) Execute ADJ M3. Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner concentration sensor output level with SIM 25-1. (Repair) Process control PWB replacement / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner concentration sensor output level with SIM 25-1. (Repair) PCU MAIN PWB replacement / Power Source-ON (After-work) Re-enter the setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F1 70
Description:
PCU PWB - sorter control PWB communication trouble (PCU detection)
Causes:
Communication test error after turning ON the power or canceling a simulation.
Remedy:
Case 1 Trouble position/cause PCU MAIN PWB - Sorter signal line connection trouble Remedy (Check) Check connection of the signal line between the PCU MAIN PWB and the sorter. (Repair) Repair or replace the cable and the connector between the PCUMAIN PWB and the ICU MAIN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble Remedy (Check) (Repair) Replace the sorter control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F1 80
Description:
Sorter power abnormality (Sorter side detection)
Causes:
Sorter control PWB 24V power abnormality (Low voltage)
Remedy:
Case 1 Trouble position/cause Bad connection between the DC main PWB and the sorter control PWB. Remedy (Check) Check connection between the DC main PWB and the sorter control PWB. (Repair) Repair or replace the harness and the connector between the DC main PWB and the sorter control PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble Remedy (Check) Check the power source in the sorter control PWB. (SIM 3-2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 81
Description:
Sorter transport motor trouble (Sorter side detection)
Causes:
The motor rotation sensor output signal is not recognized within the specified time after outputting the sorter transport motor ON signal. / The transport guide sensor signal is not recognized within the specified time after outputting the transport guide ON signal.
Remedy:
Case 1 Trouble position/cause Transport motor trouble / Transport motor rotation sensor trouble Remedy (Check) "Check operations of the transport motor, the transport guide, and the sensor. (SIM 3-1/2)" (Repair) Replace the transport motor. / Replace the transport motor rotation sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause "Transport guide sensor trouble, transport guide home position sensor trouble" Remedy (Check) Check operations of the transport guide sensor and the transport guide home position sensor. (SIM 3-1/2) (Repair) Replace the transport guide sensor. / Replace the transport guide home position sensor. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Paper transport mechanism section trouble Remedy (Check) Check operations of the paper transport mechanism section. (SIM 3-1/2) (Repair) Repair or replace the parts of the paper transport mechanism section. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB. (SIM 3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 83
Description:
Sorter push bar motor trouble (Sorter side detection)
Causes:
The push bar sensor signal is not recognized within 2sec from start of initializing. / The push bar does not complete its operation within 2sec from start of operation
Remedy:
Case 1 Trouble position/cause Push bar motor trouble / Push bar home position sensor trouble Remedy (Check) Check operations of the push bar motor and the push bar home position sensor. (SIM 3-1/2) (Repair) Replace the push bar motor. / Replace the push bar home position sensor. / Power Source-ON Case 2 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Paper push bar mechanism section trouble Remedy (Check) Check operations of the paper push bar mechanism section. (SIM3-1/2) (Repair) Repair or replace the parts in the paper push bar mechanism section. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 87
Description:
Sorter staple unit oscillation motor trouble (Sorter side detection)
Causes:
The stapler shift home position sensor signal is not recognized within 1sec from start of initializing. / The stapler shift home position sensor signal polarity change is not recognized within 1sec from start of stapler shift operation. / The rotation sensor output signal is not recognized within 0.25sec from output of the stapler shift motor ON signal.
Remedy:
Case 1 Trouble position/cause Stapler shift motor trouble / Stapler shift home position sensor trouble Remedy (Check) Check operations of the stapler shift motor/stapler shift home position sensor.(SIM3-1/2) (Repair) Replace the stapler shift motor. / Replace the stapler shift home position sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Staple shift mechanism section trouble Remedy (Check) Check operations of the staple shift mechanism section. (SIM3-1/2) (Repair) Repair or replace the parts of the staple shift mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 89
Description:
Sorter bin shift motor trouble (Sorter side detection)
Causes:
The lead cam position sensor signal is not recognized within the specified time after outputting the bin shift motor ON signal. / The guide bar home position is not recognized within the specified time after start of the guide bar operation. / The rotation sensor output signal is not recognized within the specified time after outputting the bin shift motor ON signal.
Remedy:
Case 1 Trouble position/cause Bin shift motor trouble / Lead cam position sensor Remedy (Check) Check operations of the bin shift motor / lead cam home position sensor. (SIM3-1/2) (Repair) Replace the bin shift motor. / Replace the lead cam position sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Bin shift mechanism section trouble Remedy (Check) Check operations of the bin shift mechanism section. (SIM 3-1/2) (Repair) Repair or replace the parts in the bin shift mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 91
Description:
Bin paper sensor auto adjustment trouble (Sorter side detection)
Causes:
Sensor output abnormality in sensor detection level adjustment
Remedy:
Case 1 Trouble position/cause Bin paper sensor trouble Remedy (Check) Check operations of bin paper sensor.(SIM3-1/2) (Repair) Replace or adjust the bin paper sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON
Code: F1 94
Description:
Sorter staple key trouble
Causes:
The continuous ON state of the manual staple key is recognized after 5 sec of starting copying.
Remedy:
Case 1 Trouble position/cause Staple key trouble Remedy (Check) Staple key operation check (SIM 3-2) (Repair) Staple key replacement/Power OFF/ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Sorter control PWB operation check (SIM 3-1/2) (Repair) Sorter control PWB replacement/Power OFF/ON
Code: F2 40
Description:
Toner concentration sensor trouble (BLACK)
Causes:
Toner density sensor output line open
Remedy:
Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F2 41
Description:
Toner concentration sensor trouble (CYAN)
Causes:
Toner density sensor output line open
Remedy:
Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)

Code: F2 42
Description:
Toner concentration sensor trouble (MAGENTA)
Causes:
Toner density sensor output line open
Remedy:
Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F2 43
Description:
Toner concentration sensor trouble (YELLOW)
Causes:
Toner density sensor output line open
Remedy:
Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F2 44
Description:
Image density sensor trouble (BLACK) (Transfer belt surface reflection abnormality)
Causes:
"In the image density correction, the transfer belt surface is read by the image density sensor and the sensor gain is adjusted so that the output becomes a fixed value. However, the output of the specified range cannot be obtained even though the sensor gain is changed."
Remedy:
Case 1 Trouble position/cause Image density sensor trouble Remedy (Check) "Check the image density sensor (dirt, output)(SIM44-2) / Check the image density sensor calibration plate. / Check the operation of the image density sensor calibration plate switching." (Repair) Clean or replace the image density sensor. / Clean or replace the image density sensor calibration plate. / Replace the image density sensor calibration plate switch solenoid. / Power Source-ON (After-work) Adjust ADJ M6 Note Case 2 Trouble position/cause "Transfer belt trouble (dirt, scratch)" Remedy (Check) "Toner dispersion from the transfer belt, the OPC drum unit, and the developing unit" (Repair) Clean or replace the transfer belt. / Replace the transfer belt cleaner. / Clean the OPC drum and the developing unit. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUM PWB image density sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON

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