Image Quality Trouble
433
Problem Solving
15
Black dots are
printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
Refer to "Replacing the Drum Cartridge (for
customers having a spot maintenance
contract)" (P.409).
Black lines are
printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
Refer to "Replacing the Drum Cartridge (for
customers having a spot maintenance
contract)" (P.409).
The Constant Velocity
Transport Glass is dirty.
Clean the Constant Velocity Transport
Glass.
Refer to "Cleaning the Film and Constant
Velocity Transport Glass" (P.420).
Dirt appears at
equal intervals.
The paper feeder is dirty. Print a few pages to remove the dirt.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
Refer to "Replacing the Drum Cartridge (for
customers having a spot maintenance
contract)" (P.409).
White dots
appear in black
filled areas.
The paper is unsuitable. Load suitable paper.
Refer to "Loading Paper" (P.245).
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new
one.
Refer to "Replacing the Drum Cartridge (for
customers having a spot maintenance
contract)" (P.409).
Symptom Cause Remedy
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