2-91
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 Fig. 2-13 (P2-
56) and Fig. 2-12 (P2-56).)
2
Dirt on the exposure drum Perform drum cleaning.
(Refer to “2.1 Drum Cleaning” in Chapter 5.)
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.
To Next Page
Loading...
Need help?
General
