Xerox Phaser 6128MFP - Vertical Blank Lines

5-16 Phaser 6128MFP 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 area around the Laser Unit windows and openings in the Imaging
Unit. Small obstructions, such as hair or fibers, can create streaks.
• Ensure there is no debris on the media path.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit Kit (PL4.1.99)
■ Imaging Unit (PL4.1.21)
■ Transfer Belt (PL6.1.7)
■ IP Board (PL10.6.6)
■ MCU Board (PL10.7.7)
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 Belt 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.
5 Inspect the Transfer Belt surface.
Is there any damage to the transfer
belt surface?
Replace the
Transfer Belt
(page 8-103).
Go to step 6.
Vertical Blank Lines