Xerox Phaser 6300 - Vertical Bands, Voids or Streaks in any or All Colors

5-20 Phaser 6300/6350 Color Laser Printer Service Manual
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 8-5).
Does the image quality improve?
Complete Go to Step 3.
3
Replace the Transfer Roller (page 8-5).
Does the imaging quality improve?
Complete Go to Step 4.
4
Replace the Fuser (page 8-5).
Does the image quality improve?
Complete Go to Step 5.
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