Konica Minolta magicolor 4690MF - Manual (Page 249)

Solving Problems with Printing Quality 237
Image is
blurred;
background
is lightly
stained;
there is
insufficient
gloss of the
printed
image. One or more of the
toner cartridges may
be defective. Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
One or more of the
imaging units may be
defective. Remove the imaging units and check
for damage. If it is damaged, replace it.
The original glass is
dirty. Clean the original glass. For details,
refer to “Cleaning the Machine” on
page 190.
The original cover
pad is dirty. Clean the original cover pad. For
details, refer to “Cleaning the Machine”
on page 190.
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 for damage. If it is damaged,
replace it.
One or more of the
imaging units is
defective. Remove the imaging units and check
for damage. If it is damaged, replace it.
The machine is not
level. Place the machine on a flat, hard, level
surface.
Symptom Cause Solution