User Check - Page 232

Confidential

9 - 4 4

I-19 

Hollow print 

User Check 

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

(2) Select the ‘Thick paper mode’ in the printer driver, or use thinner paper 

than you are currently using. 

(3) Check the printer’s environment, conditions such as high humidity may 

cause this situation to occur. 

Possible cause 

Step 

Check 

Result

Remedy 

Yes 

Recommend to use the specified 
types of paper. 

Print paper 

1 

Is thick paper of more than 
43lb being used or 
extremely rough surface 
paper? 

No 

Refer and compare with [4] Image 
defect 

I-15.

I-20 

Downward fogging of solid black 

Possible cause 

Step 

Check 

Result

Remedy 

Toner 
cartridge 
failure 

1 

Is the problem solved after 
replacing the toner 
cartridge? 

Yes 

Replace the toner cartridge. 

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.