Konica Minolta magicolor 1690MF - Manual (Page 246)

Solving Problems with Printing Quality 9-35
Abnormal
areas (white,
black, or
color) appear
in a regular
pattern. The print head win-
dow is dirty. Clean the print head window.
A toner cartridge may
be defective. Remove the toner cartridges with the
color causing the abnormal image.
Replace it with a new toner cartridge.
The imaging cartridge
may be defective. Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
Image
defects. The print head win-
dow is dirty. Clean the print head window.
A toner cartridge may
be leaking. Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
A toner cartridge may
be defective. Remove the toner cartridge with the
color causing the abnormal image.
Replace it with a new toner cartridge.
The imaging cartridge
may be defective. Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
Lateral lines
or bands
appear on
image. The machine is not
level. Place the machine on a flat, hard, level
surface.
The media path is
dirty with toner. Print several sheets and the excess
toner should disappear.
One or more of the
toner cartridges may
be 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