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
■
Print Cartridge, PL1.0.12
■
Transfer Roller, PL1.0.8
■
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.
Vertical Blank Lines
