Streaked Vertical Lines Appear On Prints - Lexmark MX81 Series Service Manual

Actions
Step 9
Check the transfer roller assembly for contamination and wear.
Is the above component free of excess wear and contamination?
Step 10
a
Check the heat belt and hot roller in the fuser.
b
Remove the fuser unit assembly.
CAUTION—HOT SURFACE: The inside of the printer might be hot.
To reduce the risk of injury from a hot component, allow the surface to
cool before touching.
Is there contamination or cracks on the heat roll and/or pressure roll?
Step 11
Perform a print test.
Does the problem remain?

Streaked vertical lines appear on prints

Leading edge
ABCDE
ABCDE
ABCDE
Trailing edge
Actions
Step 1
Check the transfer roll for contamination or excessive wear.
Is it free of contamination or wear?
Step 2
Remove the fuser, and check for damage or debris on the rollers and belts.
Is it free of damage and debris?
Yes
Go to step 10.
Replace the fuser. See
"Fuser removal" on
page
Contact your next level
of support.
Yes
Go to step 2.
Diagnostic information
47
No
Replace the transfer
roller. See
roller removal" on
page 342.
Go to step 11.
347.
The problem is solved.
No
Replace the transfer
roll.
Replace the fuser.
7463
"Transfer