Phaser 6125/6130 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.
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.
ABCDE abcde 12345
s6180-322
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