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CHAPTER 6 TROUBLESHOOTING
6-39
I-22 Light rain
Possible cause Step Check Result
Remedy
Drum unit failure 1 Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit.
High-voltage
power supply
PCB failure
2 Is the problem solved after
replacing the high-voltage
power supply PCB?
Yes Replace the high-voltage power
supply PCB.
I-23 Ghost
Possible cause Step Check Result
Remedy
Driver setting 1 Is thin paper such as 64g/m
2
used under the thick paper
mode?
Yes 1) Change the current mode to
the normal mode from the
driver setting.
2) Print 5 or 6 blank pages if this
problem occurs.
Drum unit failure 2 Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit.
High-voltage
power supply
PCB failure
3 Is the problem solved after
replacing the high-voltage
power supply PCB?
Yes Replace the high-voltage power
supply PCB.
User Check
(1) Check the paper used meets the recommended paper specifications. Damp
paper, thick media or rough surfaced paper can cause the problem.
(2) Check the printer’s environment. High temperature and high humidity conditions
can cause the problem.
(3) Check that the appropriate media type is selected in the printer driver.
(4) Try installing a new drum unit.