Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 180

Repetitive Mark Appears on Each Print
An identical mark or image appears on each, or every other, printed image.
From the front panel's
Remove Print
then select
paper through the printer to clean the fuser rollers.
From the front panel's
Repeating Defects
then select
rulers to help determine the source of the repeating defects.
84 mm (3.3 in.)
94 mm (3.7 in.)
88 mm (3.5 in.)
44 mm (1.7 in.)
28.3 mm (1.1 in.)
5-20
Troubleshooting Menu,
Smears. This function passes several blank sheets of
Troubleshooting Menu,
Page. The "Repeating Defects Page" contains
Fuser
Fuser (mark in all colors) or imaging unit (mark in single
color)
Transfer roller (2nd bias)
Imaging unit
Developer housing roller
select Print Quality
select Print Quality
Phaser 7750 Printer Service Manual
3041-
Problems,
Problems,