Background Contamination - Xerox WorkCentre 3210 Service Manual

Print-Quality Troubleshooting

Background Contamination

Initial Actions
5-14
There is toner contamination on all or most of the page. The contamination
appears as a very light gray dusting. The Print Cartridge is designed to print
7,000 sheets at 5% coverage. If prints typically are below 5% coverage and
the counter is greater than 8,000, background contamination can occur.
Check the paper transfer path.
Ensure there is no debris in the transfer path.
Troubleshooting Reference Table
Applicable Parts
HVPS, PL1.0.3
Transfer Roller, PL1.0.11
Print Cartridge, PL1.1.21
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the paper condition.
Is the paper dry, recommended type,
and loaded in the correct position?
Check usage patterns.
2
Is the typical print have less than 5%
coverage?
Check the Print Cartridge. Is the Print
3
Cartridge at or near end of life?
4 Check the Transfer Roller movement.
Does the Transfer Roller rotate
smoothly?
Check the HVPS installation. Reseat
5
the HVPS if necessary (8-64).
Does the image quality improve?
WorkCentre 3210/3220 Multifunction Printer Service Manual
Example Print
Background Contamination
Yes No
Go to step 2. Replace the
paper.
Go to step 3. Go to step 4.
Replace the Go to step 4.
Print Cartridge
(8-7).
Go to step 5. Clean the
Transfer Roller
bushings.
Complete. Replace the
HVPS (8-64).