Phaser 7500 Printer Service Manual 5-43
Print-Quality Troubleshooting
Troubleshooting Procedure
Step Actions and Questions Yes No
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?
Make
approximately
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.
Troubleshooting
complete.
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