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Print-Quality Problems
Phaser® 7750 Color Laser Printer
4-22
Repeating Defects
Spots or lines appear at regular intervals on
the page–in the direction the paper moves
through the printer–in all colors and/or in
non-printed areas.
Spots or lines appear at regular intervals on
the page–in the direction the paper moves
through the printer–in only one color.
1. At the printer’s front panel, select
Troubleshooting, select Print Quality
Problems, then select Repeating Defects
Page.
The Repeating Defects Page prints with
instructions for identifying defective units.
2. Replace the routine maintenance item(s)
identified on the Repeating Defects Page to
correct the problem.
NoteNoteNote
If the Transfer Roller is replaced, at the
printer’s front panel, select Information,
select Supplies Info, then select Reset
Transfer Roller Life.
Diagnosing Print-Quality Problems (Continued)