Xerox Phaser 6280, Service Manual

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Phaser 6280 Color Laser Printer Service Manual 5-39
Print-Quality Troubleshooting
Partial Band
There are areas of the image that are extremely light or are missing in a
limited area on the paper.
Initial Actions
■
Check the paper transfer path.
■
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Notes Example Print
■
Transfer Unit, PL4.1.1
■
Laser Unit, PL5.1.2
■
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 Yes No
1
1. Perform Contamination Check Test
Print: Service Mode > Test Print >
Contamination Chk .
2. Check the partial band’s regular
intervals.
3. Are there any blank spots on the
page?
Refer to
“Repeating
Defect
Measurement”
on page 5-23. Go to step 2.
2
1. Check the Print Cartridge (C/M/Y/K)
for damages.
2. Is the Print Cartridge damaged?
Go to step 3. Replace the
Print Cartridge
(page 8-10).
3
1. Check the paper condition.
2. Is the paper dry, recommended
type, and loaded in the correct
position?
Go to step 4. Replace the
paper.
Partial Band