Xerox Phaser 3150 Service Manual

Troubleshooting
Service Manual 7-1
7.1 Print Quality Problems
7.1.1 Vertical Black Line and Band
7.1.2 Vertical White Lines
7
Troubleshooting
Example Possible Cause Sequence of Repair Actions
There are straight, black, vertical lines or banding on the printed image.
1. Damaged developer roller,
deformed doctor blade, or cleaning
blade within the toner
cartridge.Scratched surface on the
charge roller within the toner
cartridge.
2. Depression or deformation on the
surface of the transfer roller.
3. Contaminated Fuser.
a. Print a cleaning sheet.
b. Replace the toner cartridge and re-test.
c. Replace the transfer roller and re-test.
d. Replace the fuser.
Example Possible Cause Sequence of Repair Actions
There are white, vertical voids in the printed image.
1. Contamination on the window or
internal lens of the laser mirror.
2. Foreign object inside the toner
cartridge.
3. Low toner.
4. If the fuser is defective, voids occur
periodically at the top of a black
image.
5. Contamination on the OPC drum.
6. Depression or deformation on the
surface of the transfer roller.
a. Clean the laser window with a
recommended cleaner (IPA) and a clean
cotton swab.
b. If dirt is inside the laser unit, replace it.
c. Replace the toner cartridge.
d. Open the front cover and check/remove any
contamination inside the printer that
corresponds to the position of the voids.
e. If the problem is not solved, replace the
toner cartridge.
f. Replace the transfer roller.
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Xerox Phaser 3150 Specifications

General

Brand	Xerox
Model	Phaser 3150
Category	Printer
Language	English