User Check- Page 161

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.