Phaser 3140/3155/3160 Printer Service Manual 5-19
Print-Quality Troubleshooting
Vertical White Lines
There are faded or completely non-printed lines along the page in the process
direction. Possible causes include dust or debris blocking the path between the
Laser Unit and Print Cartridge, or a build up of debris on the OPC drum cleaning
blade.
Initial Actions
•Clean the Laser Unit window.
• Ensure there is no dust or debris on the Print Cartridge or Fuser components.
Troubleshooting Reference Table
Applicable Parts Example Print
â– Print Cartridge, PL1.0.12
â– Transfer Roller, PL1.0.8
â– Laser Unit, PL6.0.79
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Print Cartridge life usage.
Is the Print Cartridge empty?
Replace the
Print Cartridge
(page 8-6).
Go to step 2.
2 Check the Laser Unit window.
Is there contamination on the Laser
Unit window?
Clean the Laser
Unit window.
Go to step 3.
3 Check the Print Cartridge for debris.
Is there any debris on the OPC
drum?
Clean the
drum.
Go to step 4.
4 Check the OPC Drum on the Print
Cartridge for damage.
Is the OPC Drum damaged?
Replace the
Print Cartridge
(page 8-6).
Go to step 5.
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