Phaser 6130 Color Laser Printer Service Manual 5-43
Print-Quality Troubleshooting
3 1.Run the Contamination Check test 
print: Service Mode > Test Print > 
Contamination Chk
2.Compare any spots with the Pitch 
Chart (page 5-21). 
Do any of the spots appear at regular 
intervals, and do the intervals match 
the chart?
Replace the 
corresponding 
parts.
Go to step 4.
4 Inspect the paper being used.
Is it approved paper?
Go to step 6. Use paper that is 
on the list of 
papers approved 
for the printer, 
then go to step 
5.
5 Is the image printed correctly? Complete Go to step 6.
6 Inspect the Transfer Belt surface.
Is there any damage on the surface of 
the Transfer Belt?
Replace the 
Transfer Unit 
(page 8-41).
Go to step 7.
7 1.Open the Front Cover.
2.Inspect the four Transfer Unit HV 
connections.
Are the four terminals on the Transfer 
Unit, and the four springs on the frame 
(PL4.1.11, 12, 13 and 14) dirty and/or 
deformed?
Clean or replace 
the Transfer Unit 
contacts or 
spring(s).
Go to step 8.
8 1.Remove the Imaging Unit.
2.Inspect the five Imaging Unit HV 
connections.
Are the five HV terminals on the 
Imaging Unit, and five springs on the 
frame (PL4.1.10 and PL4.1.15 to 18) 
dirty and/or deformed?
Clean and/or 
replace the 
Imaging Unit or 
spring(s).
Go to step 9.
9 Reseat the Imaging Unit.
Is the image printed correctly?
Complete Go to step 10.
10 Reseat the Toner Cartridges (Y/M/C/
K), and check that their lock keys are 
in the lock positions.
Is the image printed correctly?
Complete Go to step 11.
11 Reseat the Fuser.
Warning:  Start the operation after the 
Fuser has cooled down.
Is the image printed correctly?
Complete Go to step 12.
12 Reseat the connectors on the MCU 
Board.
Is the image printed correctly?
Complete Go to step 13.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No