Horizontal Bands, Voids Or Streaks In Any Or All Colors - Xerox Phaser 6360 Service Manual

Print-Quality Troubleshooting

Horizontal Bands, Voids Or Streaks in Any or All Colors

5-18
There are areas of the image that are extremely light or missing entirely.
These missing areas form bands parallel to the leading edge.
Initial Actions
■
Confirm that the paper is supported. Poor quality papers can contribute to
this type of problem.
■
Ask the customer about their typical printing habits. Continuously printing
long print jobs with heavy coverage can temporarily cause banding.
Troubleshooting Reference Table
Applicable Parts
Imaging Unit, PL6.1.1
■
Fuser, PL5.1.1
■
Transfer Roller, PL5.1.4
■
Laser Unit, PL6.1.2
■
HVPS, PL9.1.21
■
Image Processor Board, PL9.1.3
■
Engine Control Board, PL9.1.16
■
Troubleshooting Procedure Table
Step Actions and Questions
Is the paper wrinkled or dimpled?
1
Is the problem resolved by loading
fresh, dry paper?
Print a Repeating Defects page.
2
Do the defects correspond to a
maintenance Item?
See "Repeating Defects" on
page 5-4
Replace the Imaging Unit
3
(page 8-7).
Does the image quality improve?
Replace the Transfer Roller
4
(page 8-7).
Does the image quality improve?
Replace the Fuser (page 8-7).
5
Does the image quality improve?
Example Print
Yes
Complete
Replace the
maintenance
items indicated.
Complete
Complete
Complete
Phaser 6300/6350/6360 Color Laser Printer Service Manual
s6360-113
No
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.