User Check - Page 234

Confidential

9-46

I-23 

Ghost 

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. 

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. 

I-24 

Toner specks 

User Check 

(1)  Check the paper used meets the recommended paper specifications.  A 

rough surfaced paper may cause the problem. 

(2)  The toner cartridge may be damaged.  Install a new toner cartridge.

(3)  The drum unit may be damaged, or may be nearly at the end of life.  

Install a new drum unit.