35
White or black line
• Either the print cartridges
are defective, the image
transfer unit and transfer
roller are defective, or the
fuser is defective.
1 First, replace the print cartridges. See
Replacing print cartridges
.
2 If you still have the problem, replace the
image transfer unit and transfer roller.
See
Replace the image transfer unit
and transfer roller
.
3 If you still have the problem, replace the
fuser. See
Replacing the fuser
.
Streaked horizontal lines
• The print cartridges, the
transfer roller, image
transfer unit, or fuser may
be defective, empty, or
worn.
• Replace the print cartridges, the transfer
roller, the image transfer unit, or fuser as
needed. See
Replacing print
cartridges
,
Replace the image
transfer unit and transfer roller
, and
Replacing the fuser
for more
information.
Symptom
Cause
Solution
Summary of Contents for 1220
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