Konica Minolta BIZHUB C20 User Manual page 297

Symptom
Image is
blurred;
background
is lightly
stained;
there is
insufficient
gloss of the
printed
image.
The print or
color density
is uneven.
Irregular
print or mot-
tled image
appears.
Solving Problems with Printing Quality
Cause
One or more of the
toner cartridges may
be defective.
One or more of the
imaging units may be
defective.
The original glass is
dirty.
The original cover
pad is dirty.
One or more of the
toner cartridges may
be defective or low.
One or more of the
imaging units is
defective.
The machine is not
level.
The media is moist
from humidity.
Unsupported media
(wrong size, thick-
ness, type, etc.) is
being used.
One or more of the
toner cartridges may
be defective.
Solution
Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
Remove the imaging units and check
for damage. If it is damaged, replace it.
Clean the original glass. For details,
refer to "Cleaning the Machine" on
page 234.
Clean the original cover pad. For
details, refer to "Cleaning the Machine"
on page 234.
Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
Remove the imaging units and check
for damage. If it is damaged, replace it.
Place the machine on a flat, hard, level
surface.
Adjust the humidity in the media stor-
age area.
Remove the moist media and replace it
with new, dry media.
Use KONICA MINOLTA-approved
media. See "Specifications" on page
106.
Also, refer to
http://printer.konicaminolta.com
for a complete list of currently
approved media.
Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
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