Xerox Phaser 6280, Service Manual

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5-34 Phaser 6280 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Vertical Stripes
There are black lines along the page in the direction of the paper travel from
the leading edge to the trailing edge.
Initial Actions
■
Check the paper transfer path.
■
Ensure there are no debris on the transfer path.
Warning
Ensure to wait for the Fuser to cool down before starting the procedure.
Troubleshooting Reference Table
Applicable Parts Example Print
■
Transfer Unit, PL4.1.1
■
Laser Unit, PL5.1.2
■
Print Cartridge (C/M/Y/K),
PL5.1.18-21
■
Fuser Assembly, PL6.1.10
■
MCU Board, PL9.1.20
■
Image Processor Board, PL9.1.27
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
1. Check the black line’s regular
intervals.
2. Are there any black lines on the
page?
Refer to
“Repeating
Defect
Measurement”
on page 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 Transfer Unit.
2. Are there any damages on the
Transfer Unit surface?
Replace the
Transfer Unit
(page 8-8). Go to step 4.
Vertical Stripes