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User’s Guide 31
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Print Quality Problems
Before consulting a service representative regarding a print quality problem, check the table below to see if there is a
solution, or something you might have overlooked.
Symptom
Blank sheets printed.
Entire page prints faintly.
Page has grey background.
Page prints all black.
Page has repetitive marks.
Problem
Image drum cartridge not properly installed.
Empty or missing toner cartridge.
Empty toner cartridge. Pages get fainter when
toner is used up.
LED array is dirty.
Static electricity, generally from dry environments,
causes toner to stick to background.
Hardware problem.
Damaged image drum cartridge causes repetitive
marks every 1.6 inches (4.06 cm) due to surface
nicks and scratches.
Solution
Reinstall image drum cartridge.
Install new toner cartridge.
Install new toner cartridge.
Clean LED array.
Change papers to a smoother laser bond or
use a humidifier.
Contact your service representative.
Generate a Cleaning Page, repetitive marks
may be temporary.
10exuGB.p65 28/09/98, 11:4931