Xerox Phaser 7500 Service Manual page 527

Phaser 7500 Printer Service Manual
Troubleshooting Procedure
Step Actions and Questions
1 On a halftone image, check that
lines with 94 mm pitch appear in
the FS direction.
Are there lines with 94 mm appear
in the FS direction?
Print-Quality Troubleshooting
Yes No
Make Troubleshooting
approximately complete.
10 to 30
printouts.
If the fault
■
lies with the
Y, M, or C
Drum, print
full-color
images.
If it is with
■
the K Drum,
print either
full-color or
black &
white
images.
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