2-113
Confidential
â– One color is light
<User Check>
- Open and close the front cover and make print again.
- Check the machine’s environment. High temperature and high humidity or low temperature
and low humidity conditions can cause this problem.
- Wipe the scanner windows of the laser unit with a soft, lint-free cloth.
(Refer to Fig. 2-16 (P2-112))
- Adjust the color density from the control panel.
- Replace the toner cartridge or drum unit with a new one.
Step Cause Remedy
1 Dirt on exposure drum
electrode
Clean the electrodes of the drum unit and
main body. (Refer to Fig. 2-10 (P2-62) and
Fig. 2-13 (P2-63))
2 Dirt on developer roller
electrode
Clean the electrodes of the developer roller
and main body. (Refer to Fig. 2-10 (P2-62)
and Fig. 2-13 (P2-63))
3 Dirt on belt unit electrode Clean the electrodes of the belt unit and main
body. (Refer to Fig. 2-11 (P2-62) and
Fig. 2-13 (P2-63))
4 Toner/New sensor PCB
failure
Check the harness connection of the Toner/
New sensor PCB ASSY.
Replace the Toner/New sensor PCB ASSY.
5 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
6 Laser unit failure Replace the laser unit.
7 Main PCB failure Replace the main PCB ASSY.
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General
Weight and Dimensions
