Panasonic KX-P8420 Operating Guide

Half tone area has 
areas of weak color.

Paper doesn’t match 
the environmental 
conditions, or it has 
too much moisture.

Try fresh paper, or 
another type of paper.

Store media in the 
original, dust-free 
package in the same 
environmental 
conditions as the 
printer.

A single color appears 
faded.

The color density is 
set incorrectly in the 
printer panel.

The toner is almost 
depleted.

Replace the color 
toner cartridge soon 
(depending on the 
complexity of your 
prints, you can 
continue to print up to 
100 more pages).

A single color has a 
sharp, dark or light 
vertical streak.

The toner cartridge is 
almost depleted and 
is not properly 
applying toner.

Replace the color 
toner cartridge.

Small white spots 
appear on OHP 
transparency.

OHP transparency 
has dust on its 
surface.

Remove dust or stain 
from OHP 
transparency.