17 Problem Solving
318
Symptoms Check Remedy
Printing is faint
(smudged,
unclear)
Is the paper damp? Replace with paper from a new ream.
Refer to Loading Paper on page 169.
The drum cartridge is
depleted or damaged.
Replace with a new drum cartridge.
Refer to Replacing the Drum Cartridge on
page 285.
There is no toner left in the
toner cartridge.
Replace with a new toner cartridge.
Refer to Replacing the Toner Cartridge on
page 287.
Black dots are
printed.
The drum cartridge is
depleted or damaged.
Replace with a new drum cartridge.
Refer to Replacing the Drum Cartridge on
page 285.
Black lines are
printed.
The drum cartridge is
depleted or damaged.
Replace with a new drum cartridge.
Refer to Replacing the Drum Cartridge on
page 285.
Internal components (ROS:
Raster Output Scanners)
are dirty.
Clean internal components.
The scanning glass on the
document feeder is dirty.
Clean the document feeder glass.
Dirt appears at
equal intervals.
Dirt on the paper feed path. Print a few pages.
The drum cartridge is
depleted or damaged.
Replace with a new drum cartridge.
Refer to Replacing the Drum Cartridge on
page 285.
White dots
appear in black
filled areas.
The paper in use is
unsuitable.
Load suitable paper.
Refer to Loading Paper on page 169.
The drum cartridge is
depleted or damaged.
Replace with a new drum cartridge.
Refer to Replacing the Drum Cartridge on
page 285.