5-30 Phaser 6125/6130 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Vertical Blank Lines
There are faded or completely non-printed 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.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit Kit (PL4.1.99)
■ Imaging Unit (PL4.1.21)
■ 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 Check the paper condition
Is the paper dry and approved for use?
Go to step 3. Replace with
dry, approved
paper, then go to
step 2.
2 Is the image printed correctly? Complete Go to step 3.
3 Inspect the paper path between the
Transfer Unit and Fuser.
Is there any debris or other foreign
substance in the paper path?
Remove the
debris or foreign
substances,
then go to step
4.
Go to step 5.
4 Is the image printed correctly? Complete Go to step 5.
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