Color Is Uneven Or Wrong - Xerox PHASER 8500 Service Manual

Color is Uneven or Wrong

Phaser 8400/8500/8550/8560 Color Printer Service Manual
This may be due to incorrect colors in the ink loader, old ink in the Printhead,
color mixing at the faceplate, or Drum thermal problems. Using non-Xerox ink
may cause unpredictable color results.
Initial Actions
■ Check the media used is supported by this printer.
■
Check that the Ink is Genuine Xerox.
Troubleshooting Reference
Applicable Parts
Ink Sticks
■
Drum Fan
■
Drum Heater Relay Board
■
Drum Temperature Sensor
■
Electronics Module
■
Drum Assembly
■
Color is Uneven or Wrong Troubleshooting Procedure
Step Questions and Actions
1 To remove discolored jets in the Printhead,
run the solid fill test print for the color
displaying the discolored jets.
NOTE For instructions on printing solid fill test
Purge the Printhead up to 3 times. If
improvement is seen, the ink could be
discolored.
Did this correct the problem?
Clean the Drum Maintenance Kit wiper blade
2
or replace the kit.
Did this correct the problem?
Example Print
prints, see "Black, Red, Green, Blue,
Cyan, Magenta, and Yellow Solid Fills" on
page 5-42.
Print-Quality Troubleshooting
s8500-034
Yes No
Complete. Go to Step 2
Complete. Go to Step 3.
5-9