Konica Minolta magicolor 1690MF - Manual (Page 245)

Solving Problems with Printing Quality 9-34
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 “Print Media” on page 3-2.
Also, refer to http://printer. konicami-
nolta.com for a complete list of cur-
rently approved media.
Media type is set
incorrectly. When printing envelopes, labels, letter-
head, postcards or thick stock, specify
the appropriate media type in the
printer driver.
There are
toner
smudges or
residual
images. One or more of the
toner cartridges are
defective or installed
incorrectly. Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
There are
toner
smudges on
the back side
of the page
(whether or
not it has
been
duplexed). The media path is
dirty with toner. Print several blank sheets and the
excess toner should disappear.
One or more of the
toner cartridges are
defective. Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
The imaging cartridge
may be defective. Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
Symptom Cause Solution