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■ Faulty registration
■ Dark
User Check
• Check that the appropriate media type is selected in the
printer driver.
Step Cause Check
Result
Remedy
1
Registration rear
actuator catching
on some position
Does the registration
rear actuator move
smoothly?
No
Re-assemble the
registration rear actuator.
User Check
• Check the machine's environment. High temperature and high
humidity conditions can cause this problem.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step Cause Check
Result
Remedy
1
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Ye s
Replace the HVPS PCB
ASSY.
2
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Ye s
Replace the main PCB
ASSY.