2-123
Confidential
■ Downward fogging of solid color
■ Horizontal lines
■ Ghost
<User Check>
- Toner may be empty. 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 Engine PCB failure Replace the engine PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- The paper tray ground terminal provided in the
machine body may be dirty. Clean the contact with a
dry cloth.
- This symptom might stop occurring after making
several prints. If the symptom continues, replace the
drum unit cartridge with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1 Dirt on charged 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 Paper tray ground terminal
provided in machine body
Correct bending of paper tray ground
terminal.
3 Scratch on the heat roller Replace the fuser unit.
4 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
<User Check>
- Check the machine’s environment, conditions such as high humidity
may cause this situation to occur.
- Check that the appropriate media type is selected in the printer driver.
- Make a print in the color mode.
- Replace the drum unit with a new one.
Step Cause Remedy
1 Erase lamp lens dirty Clean the erase lamp lens. (Refer to
Fig. 2-10 (P2-62) and Fig. 2-13 (P2-63))
2 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
3 Engine PCB failure Replace the engine PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
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General
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