Description: Controller skating trouble Occurrence of an error in controller skating check
Causes: Discrepancy in the combination of the controller PWB and the ROM
Remedy: Check the controller PWB. Check the combination of the controller PWB and the ROM.
Code: E7-80
Description: Communication trouble (ICU detection) between ICU and scanner Communication establishment error/ Fleming/Parity/Protocol error
Causes: Defective connection of slave unit PWB connector Defective harness between slave unit PWB and ICU PWB Slave unit PWB mother board connector pin breakage
Remedy: Check connector and harness of slave unit PWB and ICU PWB. Check grounding of machine.
Code: E7-90
Description: Communication trouble (ICU detection) between ICU and PCU Communication establishment error/ Fleming/Parity/Protocol error
Causes: Defective connection of slave unit PWB connector Defective harness between slave unit PWB and ICU PWB Slave unit PWB mother board connector pin breakage
Remedy: Check connector and harness of slave unit PWB and ICU PWB. Check grounding of machine.
Code: EE-EL
Description: Auto developer adjustment trouble (Over-toner) The toner concentration output is detected as 1.5V or below in the auto development adjustment.
Causes: Toner concentration sensor trouble Charging voltage, developing voltage abnormality Insufficient toner concentration Developing unit trouble PCU PWB trouble
Remedy: Use SIM25-2 to perform auto developer adjustment.
Code: EE-EU
Description: Auto developer adjustment trouble (Under-toner) The toner concentration output is detected as 3.5V or above in the auto development adjustment.
Causes: Insufficient toner concentration Charging voltage, developing voltage abnormality Insufficient toner concentration Developing unit trouble PCU PWB trouble
Remedy: Use SIM25-2 to perform auto developer adjustment.
Code: F1-00
Description: Finisher communication trouble Communication cable test error after turning on the power or exiting from SIM. Communication error with the finisher
Causes: Improper connection or disconnection of connectors and harness between the machine and the finisher. Finisher control PWB trouble Control PWB (PCU) trouble Malfunction by noises
Remedy: Canceled by turning OFF/ON the power. Check connectors and harness in the communication line. Replace the finisher control PWB or PCU PWB.