Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 185

Print Is Mottled
The printed image has a mottled
appearance.
1.
Ensure that the paper is in good
condition and appropriate for a laser
printer.
2.
Ensure that the loaded media
matches the front panel settings.
Also check the media selected in the
printer driver.
3. Ensure supported media is being
used.
4. For specialty papers, experiment
with alternate paper type settings
Heavy Laser
such as
Thick Cover/Index
5.
Run the Calibrate for Paper routine.
From the front panel's
Setup Menu, select
Setup, then select
Paper.
Note
Verify the settings. Be sure the setting is not at +4 value before running Calibrate
for Paper. Tray1 (MPT) must have the right setting to run calibrate for paper.
Print-Quality Troubleshooting
Paper,
or others.
Printer
Calibration
Calibrate for
3041-53
5-25