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Troubleshooting > 64
P
RINT
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 PROBLEM SOLUTION
Blank sheets
printed.
Image drum cartridge not
properly installed.
Reinstall image drum cartridge.
Empty or missing toner
cartridge.
Install new toner cartridge.
Entire page prints
faintly.
Empty toner cartridge. Pages
get fainter when toner is used
up.
Install new toner cartridge.
LED array is dirty. Clean LED array.
Page has grey
background.
Static electricity, generally
from dry environments,
causes toner to stick to
background.
Change paper to a smoother laser
bond or use a humidifier.
Page prints all
black.
Hardware problem. Contact service.
Page has
repetitive marks.
Damaged image drum
cartridge causes repetitive
marks every 1.6 inches (4.06
cm) due to surface nicks and
scratches.
Generate a cleaning page, repetitive
marks may be temporary.
Oblong area of
faint print
appears on each
page.
Drop out caused by using
paper exposed to high
humidity.
Change paper stocks, check paper
storage environment or use a
dehumidifier; check toner level.
Vertical white
streaking or faint
areas on page.
Toner is low and does not
distribute properly, or the
drum is worn out.
Replace toner cartridge. Check drum
and replace the drum, if necessary.
Contact service.
LED array is dirty. Clean LED array.
Vertical black
lines.
Hardware problem. Contact service.
Fuzzy print. LED array is dirty. Clean LED array.
Distorted print. Paper path, lamp assembly,
or fusing unit problem.
Generate cleaning page.
Contact service.
Faded print. Toner cartridge is not
correctly installed.
Toner low.
Install toner cartridge correctly.
Replace toner cartridge.
Smeared or
blotched print.
Dirty rollers; toner dropped
inside printer or image drum
problem.
Replace image drum and toner.
Contact service.
Printed page is
light/blurred.
Is toner low? Replace toner cartridge.
Is paper meant for laser
printers?
Use recommended paper.
LED array is dirty. Clean LED array.