Random Spots - Xerox Phaser 6280 Service Manual

Random Spots

Phaser 6280 Color Laser Printer Service Manual
There are spots of toner randomly scattered across the page.
Initial Actions
Check the paper transfer path.
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Notes
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
Warning
Ensure to wait for the Fuser to cool down before starting the procedure.
Troubleshooting Procedure Table
Step Actions and Questions
1. Check for spot's regular intervals.
1
2. Are there any spots on the page?
2 1. Check the Print Cartridge (C/M/Y/K)
for damages.
2. Is the Print Cartridge damaged?
3 1. Check the Transfer Unit.
2. Are there any damages on the
Transfer Unit surface?
Print-Quality Troubleshooting
Example Print
Yes
Refer to
"Repeating
Defect
Measurement"
on page 5-23.
Go to step 3.
Replace the
Transfer Unit
(page 8-8).
Random Spots
No
Go to step 2.
Replace the
Print Cartridge
(page 8-10).
Go to step 4.
5-41