Back Marking - Xerox Phaser 6120 Service Manual

Back Marking

Typical Faulty Images
Troubleshooting Procedure
Step Section
1 Paper path Is there a foreign object in the paper
path?
2 Fusing Unit Is the Fusing Entrance Guide Plate
dirty or scratched?
3 Is the Fusing Roller scratched or
dirty?
4 Transfer Belt Is the Transfer Belt dirty with
Unit fingerprints or foreign matter?
5 Is the 2nd Transfer Roller scratched? YES
6 Have steps 1-5 eliminated the
problem?
Phaser® 6120 Color Laser Printer Service Manual
AA AA
4036fs4062c0
4036fs4063c0
Check Item Result
YES
YES
YES
YES
NO
4-39
Image-Quality Problems
Action
Remove the foreign object.
Clean or replace.
Replace the Fusing Unit.
Clean.
Replace the Transfer Roller.
Replace the Transfer Belt Unit.
Replace the High Voltage
Unit.