2-55
Confidential
White horizontal stripes on image
Faint print
<User Check>
• This problem may disappear after printing multiple sheets of paper.
• 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.
<User Check>
• Check that the machine is positioned on a level
surface.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
Laser unit failure
Replace the laser unit.
2
Fuser unit failure
Replace the fuser unit.
3
Main PCB failure
Replace the main PCB ASSY.
