Image Quality Trouble
161
Problem Solving
11
Image Quality Trouble
If the image quality of printed documents is poor, identify the symptom in the following
table to perform the remedy.
If image quality does not improve even after performing the remedy, contact your local
dealer.
Symptom Cause Remedy
Printing is faint.
(smudged, unclear)
The paper is damp. Replace the paper with new one.
Refer to "Loading Paper" (P.40).
The LED lenses are dirty. Clean the LED lenses.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
There is no toner left in the
toner cartridge.
Replace the toner cartridge with a new
one.
Refer to "Replacing Toner Cartridge"
(P.127).
Black dots are
printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
The unfixed toner has stuck
onto the fusing unit.
Clean the fusing unit.
Refer to "Fusing Unit Cleaning"
(P.151).
Black or colored
lines are printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
The LED lenses are dirty. Clean the LED lenses.
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