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■ Downward fogging of solid color
<User Check>
Step
1
High-voltage power supply
PCB failure
2
Engine PCB failure
3
Main PCB failure
■ Horizontal lines
Step
1
Dirt on charged electrode
2
Paper tray ground terminal
provided in machine body
3
Scratch on the heat roller
4
High-voltage power supply
PCB failure
■ Ghost
<User Check>
Step
1
Erase lamp lens dirty
2
High-voltage power supply
PCB failure
3
Engine PCB failure
4
Main PCB failure
- Toner may be empty. Replace the toner cartridge with a new one.
Cause
<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.
Cause
- 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.
Cause
2-123
Remedy
Replace the high-voltage power supply PCB
ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Clean the electrodes of the drum unit and
main body. (Refer to
Fig. 2-10 (P2-62)
Fig. 2-13
(P2-63))
Correct bending of paper tray ground
terminal.
Replace the fuser unit.
Replace the high-voltage power supply PCB
ASSY.
Remedy
Clean the erase lamp lens. (Refer to
Fig. 2-10 (P2-62)
and
Fig. 2-13
Replace the high-voltage power supply PCB
ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
and
(P2-63))
Confidential
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Table of Contents
Troubleshooting
