Konica Minolta C20P manual Solving Problems with Printing Quality

Symptom	Cause	Solution
There are	One or more of the	Remove the imaging units and check
toner	imaging units may be	them for damage. If one is damaged,
smudges or	defective or installed	replace it.
residual	incorrectly.
images.

There are	The media path is	Print several blank sheets and the
toner	dirty with toner.	excess toner should disappear.
smudges on
	One or more of the	Remove the imaging units and check it
the back side	imaging units may be	for damage. If it is damaged, replace it.
of the page	defective.
(whether or
not it has
been
duplexed).

Abnormal	The laser lens is dirty.	Clean the laser lens.
areas (white,
	A imaging unit may	Remove the imaging unit with the color
black, or	be defective.	causing the abnormal image. Replace
color) appear
in a regular		it with a new imaging unit.
pattern.

202 Solving Problems with Printing Quality