Panasonic KX-P8420 Operating Instructions Manual page 169

Color laser printer
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Trouble
A single color shows a
light, repeating
horizontal line.
Prints are missing fine-
line detail.
Dark color spots and
dark or light streaks
appear in all colors.
Straight, thin light
vertical line in colors.
Each color "bleeds" into
the color band.
Care and Maintenance
Possible Cause
The roller in the toner
cartridge has a slight
impression after a
long period of
storage.
The color imaging unit
has reached its useful
life.
The color imaging unit
has reached its useful
life.
The photosensitive
belt inside the color
imaging unit is
scratched.
The color imaging
unit's internal waste
toner box is full.
Corrective Action
Run 20-30 prints. The
impression will
disappear with
continued time and
use.
Replace the color
imaging unit.
Replace the color
imaging unit.
Replace the color
imaging unit.
Replace the color
imaging unit.
169

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