Phaser 6130 Color Laser Printer Service Manual 5-35
Print-Quality Troubleshooting
Vertical Stripes
There are black lines along the page in the direction of the paper travel from 
the leading edge to the trailing edge.
Initial Actions
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
arn
ng
To prevent burns, allow the Fuser to cool down before starting the 
procedure.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit Kit (PL4.1.99)
■ Imaging Unit (PL4.1.21)
■ Fuser (PL6.1.1)
■ Transfer Unit (PL6.1.7)
■ IP Board (PL8.1.9)
■ MCU Board (PL8.2.13)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 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 2.
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