Image Quality Problems
253
Problem Solving
13
Black spots
appear in copies.
The drum cartridge has
deteriorated or been
damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing the Drum Cartridge" (P.235).
Black or colored
lines appear in
printouts.
The drum cartridge has
deteriorated or been
damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing the Drum Cartridge" (P.235).
The narrow glass strip is dirty. Clean the narrow glass strip.
Refer to "Cleaning the Document Presser and the
Narrow Glass Strip" (P.239).
Dirt appears at
regular intervals in
the printout.
Paper feed
direction
The paper feed path is dirty. Print several sheets.
The drum cartridge has
deteriorated or been
damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing the Drum Cartridge" (P.235).
Symptom Possible Cause Remedy