Konica Minolta BIZHUB C20 User Manual page 300

Symptom
Colors are
not register-
ing properly;
colors are
mixed or
have
page-to-pag
e variation.
Line art does
not print in
color.
The color
has a poor
reproduction
or has poor
color density.
If the problem is not resolved, even after all of the above have been per-
formed, contact Technical Support with the error information.
286
Cause
Gradations are not
adjusted correctly.
The front cover is
opened during the
calibration.
One or more of the
toner cartridges may
be defective.
The media is moist
from humidity.
The line art setting for
2400 x 600 dpi
requires Color Match-
ing to be turned off.
One or more of the
imaging units may be
defective.
Solving Problems with Printing Quality
Solution
Set
MACHINE SETTING/CALI-
in the
BRATION UTILITY
, and then perform the AIDC color
ON
calibration. For details, refer to
"MACHINE SETTING Menu" on page
33.
Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
Remove the moist media and replace it
with new, dry media.
In the printer driver, go to Quality tab
and choose Off in the Color Matching.
Lower the resolution to 1200 x 600 or
600 x 600 dpi.
Remove the imaging units and check
for damage. If it is damaged, replace it.
menu to