Service Manual
Page 119
... Check Registration rear Does the registration actuator catching rear actuator move on some position smoothly? Replace the drum unit with a new one . - developer roller counter? Replace the HVPS PCB Yes ASSY. after replacing the HVPS PCB ASSY? HVPS PCB failure Is the...counter. Step 1 2 3 4 5 Cause Check Result Remedy Drum unit electrode dirty Is the electrode of the drum unit heavy? Replace the toner cartridge with a new one . Drum unit failure Is the problem solved Replace the drum unit. Yes Clean the electrode. Check the machine's environment....
... Check Registration rear Does the registration actuator catching rear actuator move on some position smoothly? Replace the drum unit with a new one . - developer roller counter? Replace the HVPS PCB Yes ASSY. after replacing the HVPS PCB ASSY? HVPS PCB failure Is the...counter. Step 1 2 3 4 5 Cause Check Result Remedy Drum unit electrode dirty Is the electrode of the drum unit heavy? Replace the toner cartridge with a new one . Drum unit failure Is the problem solved Replace the drum unit. Yes Clean the electrode. Check the machine's environment....