2-60
Confidential
Downward fogging of solid color
Horizontal lines
<User Check>
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
<User Check>
• This problem may disappear after printing multiple
sheets of paper.
• Refer to
to remove the
dirt from the exposure drum using a cotton applicator.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
Dirty charge electrodes
Clean the electrodes of the drum unit and
those of the machine. (Refer to
and
2
Dirt on the exposure drum
Perform drum cleaning.
3
Scratch or dirt on the fuser
unit
Replace the fuser unit.
4
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
