Background Contamination - Xerox Phaser 6280 Service Manual

Print-Quality Troubleshooting

Background Contamination

Initial Actions
5-46
There is toner contamination on all or most of the page. The contamination
appears as a very light gray dusting.
Check the paper transfer path.
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Notes
Transfer Unit, PL4.1.1
Print Cartridge (C/M/Y/K),
PL5.1.18-21
MCU Board, PL9.1.20
Image Processor Board, PL9.1.27
Troubleshooting Procedure Table
Step Actions and Questions
1. Print a page including color
1
photograph. If not possible, perform
CMY20% Test Print:
> Test Print > CMY 20%
2. Does the image quality improve?
2 1. Check the Print Cartridge (C/M/Y/K)
for damages.
2. Is the Print Cartridge damaged?
1. Check the Transfer Unit.
3
2. Are there any damages on the
Transfer Unit surface?
4 1. Check the Transfer Unit for correct
installation. Reseat the Transfer Unit
(page 8-8).
2. Does the image quality improve?
Example Print
Yes
Complete.
Service Mode
ESS.
Go to step 3.
Replace the
Transfer Unit
(page 8-8).
Complete.
Phaser 6280 Color Laser Printer Service Manual
Background Contamination
No
Go to step 2.
Replace the
Print Cartridge
(page 8-10).
Go to step 4.
Go to step 5.