Service Manual
Page 119
... can cause this problem. - Step 1 2 3 4 5 Cause Check Result Remedy Drum unit electrode dirty Is the electrode of the drum unit heavy? Drum unit failure Is the problem solved Replace the drum unit. HVPS PCB failure Is the problem solved after reseting the Yes counter. Replace the...Result Remedy Re-assemble the No registration rear actuator. Yes Replace the drum unit. ■ Dark - Replace the drum unit with a new one . - Developing bias Is the problem solved Reset the developer roller malfunciton after replacing the HVPS PCB ASSY? Main PCB failure Is the problem solved...
... can cause this problem. - Step 1 2 3 4 5 Cause Check Result Remedy Drum unit electrode dirty Is the electrode of the drum unit heavy? Drum unit failure Is the problem solved Replace the drum unit. HVPS PCB failure Is the problem solved after reseting the Yes counter. Replace the...Result Remedy Re-assemble the No registration rear actuator. Yes Replace the drum unit. ■ Dark - Replace the drum unit with a new one . - Developing bias Is the problem solved Reset the developer roller malfunciton after replacing the HVPS PCB ASSY? Main PCB failure Is the problem solved...