Image Defect Troubleshooting (Defect of the Print)
M085/M086 6-62 SM
17 Black band
User Check
1. Clean the inside of the machine and the corona wire in the drum unit. If the same problem
occurs after cleaning, replace the drum unit with a new one.
2. The paper tray ground terminal located in the machine body may be dirty. Clean the contact
with a dry cloth.
18 Downward fogging of solid color
User Check
Toner may be empty. Replace the toner cartridge with a new one.
Possible cause and Remedy
1. HVPS PCB failure
Is the problem solved after replacing the HVPS PCB ASSY?
Yes: Replace the HVPS PCB ASSY.
2. Main PCB failure
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
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