Xerox Phaser 6360, Service Manual

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5-20 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Vertical Bands, Voids or Streaks in Any or All Colors
There are areas of the image that are extremely light or missing entirely.
These missing areas form bands that run along the paper from the leading
edge to the trailing edge, in the direction of paper travel.
Initial Actions
■ Using a flashlight, carefully examine the area around the Laser window
and the openings between the Developer Assemblies. Small obstructions,
such as hair or fibers, can create streaks.
Troubleshooting Reference Table
Applicable Parts Example Print
■
Imaging Unit, PL6.1.1
■
Fuser, PL5.1.1
■
Transfer Roller, PL5.1.4
■
Developer Frame Assembly, PL7.1.1
■
Engine Control Board, PL9.1.16
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check for obstructions between
the Laser Unit and the Imaging
Unit.
Remove the Imaging Unit and
inspect each OPC Drum and
corresponding area. Remove any
debris such as hair, foam or paper. Remove the
obstruction or
debris. Go to Step 2.
2
Replace the Imaging Unit
(page 8-7).
Does the image quality improve? Complete Go to Step 3.
3
Replace the Transfer Roller
(page 8-7).
Does the imaging quality improve? Complete Go to Step 4.
4
Replace the Fuser (page 8-7).
Does the image quality improve? Complete Go to Step 5.
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