Random Light Stripes - Xerox PHASER 8500 Service Manual

Random Light Stripes

Phaser 8400/8500/8550/8560 Color Printer Service Manual
One or more color bars are missing on the test page. This is likely caused by
a weak or clogged Printhead jet.
Initial Actions
■
Run the Eliminate Light Stripes routine from the Control Panel.
■
Check the exit path for debris or contamination.
Troubleshooting Reference
Applicable Parts
Printhead
■
Drum Maintenenace Kit
■
Stripper Carriage
■
Random Light Stripes Troubleshooting Procedure
Step Questions and Actions
On the Control Panel, select the Eliminate
1
Light Stripes function and follow the
procedure on the printed pages. For 8400
printers, this step does not include Jet
Substitution.
Did this correct the problem?
It may be necessary to repeat Step 1
2
up to 3 times if the stripes still appear.
NOTE If there are discolored jets, print the
Discolored jets usually clear after two
or three prints, using the problem jets.
Clean the exit path and Stripper Blade with a
3
lint-free cloth.
Did this correct the problem?
Example Print
solid fill test print in the color with the
discolored jets. In the following
example, the yellow stripe has
discolored jets, therefore you would
print the yellow solid fill. For
instructions on printing solid fill test
prints, see "Black, Red, Green, Blue,
Cyan, Magenta, and Yellow Solid
Fills" on page 5-42.
Print-Quality Troubleshooting
Light Stripes Test
Yes
Complete.
Complete.
No
Go to Step 2.
Go to Step 4.
5-3