Konica Minolta magicolor 4750EN-4750DN - Manual (Page 239)

Solving Problems with Printing Quality 9-32
The print or
color density
is uneven. One or more of the
toner cartridges may
be defective or low. Remove the toner cartridges and
check them for damage. If one is dam-
aged, replace it.
The printer is not
level. Place the printer on a flat, hard, level
surface.
Irregular
print or mot-
tled image
appears. The media is moist
from humidity. Adjust the humidity in the media stor-
age area.
Remove the moist media and replace it
with new, dry media.
Unsupported media
(wrong size, thick-
ness, type, etc.) is
being used. Use KONICA MINOLTA-approved
media. See “Media Specifications” on
page 6-2.
One or more of the
imaging units may be
defective. Remove the imaging units and check it
for damage. If it is damaged, replace it.
There is
insufficient
fusing or the
image
comes off
when
rubbed. The media is moist
from humidity. Remove the moist media and replace it
with new, dry media.
Unsupported media
(wrong size, thick-
ness, type, etc.) is
being used. Use KONICA MINOLTA-approved
media. See “Media Specifications” on
page 6-2.
Media type is set
incorrectly. When printing envelopes, labels, letter-
head, postcards, thick stock, glossy,
single side only paper or special paper,
specify the appropriate media type in
the printer driver.
Symptom Cause Solution