Xerox Phaser 8400 Service Manual page 228

Diagnosing Print-Quality Problems
Problem
Random Light Stripes
One or more color bars are missing on the test
page.
Light Stripes Test
Print-Quality Troubleshooting
Solution
1. At the printer's front panel, select
Troubleshooting, select Print
Quality Problems, select Eliminate
Light Stripes, then press the OK
button.
2. Repeat Step 1 up to 3 times if the
stripes still appear.
NOTE If there are discolored jets, print the
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"13-19: Black, Red,
Green, Blue, Cyan, Magenta, and
Yellow Solid Fills" on page 5-12.
3. If the problem continues, turn off the
printer for at least 4 hours.
4. Turn on the printer and if necessary,
repeat Step 1.
5. If the problem continues, follow the
steps for Predominate Light Stripes.
s8400-173
5-3