Panasonic WORKIO DP-CL21 Maintenance And Specifications page 32

Settings and Printing
Trouble
On the Test Print, one or
more dark vertical lines
appear on the print in all
colors.
The surface of the
printed image appears to
have vertical scratches
(visible by holding the
print at an angle and
observing the "shine" of
the image).
At first, the scratches
appear only on the
printed image;
eventually, dark vertical
scratches appear on the
imprinted portion of the
page.
Toner spots appear on
the back of the media.
Maintenance and Spec.
Maintenance and Spec.
Possible Cause
The print cartridge is damaged.
76 mm
(3 in.)
The accumulator unit is scratched.
The fuser unit is damaged.
The fuser unit is near the end of its
useful life.
The transfer roller is worn out.
Network
Troubleshooting
Corrective Action
Run 20-50 prints.
Replace the print cartridge.
Replace the accumulator unit. If a
new accumulator unit does not
correct the problem:
Put the old accumulator unit back
into the printer.
Repack the new accumulator unit.
Check the fuser.
Replace the fuser unit.
Replace the fuser unit (depending
on your quality needs, you can
continue to print until the dark
vertical lines appear).
Replace the transfer roller.
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