Color Is Uneven Or Color Is Wrong - Xerox Phaser 8400 Service Manual

Color is Uneven or Color is Wrong

Step Questions and Actions
1 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
prints, see "Black, Red, Green, Blue,
Cyan, Magenta, and Yellow Solid Fills" on
page 5-40.
1. Purge the printhead up to three times. If
some improvement is seen, the ink could be
discolored due to a long period of time
without use.
2. Did this correct the problem?
2 1. Clean the maintenance kit wiper blade or
replace the maintenance kit.
2. Did this correct the problem?
3 1. Check the thermal regulation of the drum.
2. Run the service diagnostics drum thermal
check test, see "Temperature Status" on
page 4-54.
3. Are the drum thermal values out of the
appropriate range?
Print-Quality Troubleshooting
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.
Note
Using non-Xerox ink may cause
unpredictable color results.
s8500-034
Yes
Complete. Go to Step 2
Complete. Go to Step 3.
Go to Step 4. Go to Step 5.
No
5-9