Vertical Stripes (Process Direction) - Lexmark C935 Service Manual

5057-XXX

Vertical stripes (process direction)

Leading edge
Trailing edge
Step
1 Check the media condition.
Load new, dry, recommended media.
Re-print the defective image.
Does the error continue?
2 Are the media transfer route and the media path free of
contamination or debris?
3 Check the 2nd transfer roll assembly for contamination
and wear.
Is the 2nd transfer roll assembly free of excess wear and
contamination?
4 Check the four PC cartridges for proper installation.
Check the PC cartridge connections.
Are the PC cartridge connections free of excess wear
and contamination?
5 Replace the transfer belt unit assembly. Go to
belt unit assembly removal" on page
Does the problem remain?
6 Check the heat roll and pressure roll.
Remove the fuser unit assembly.
Is there contamination or cracks on the heat roll and/or
pressure roll?
2-156
Printer Service Manual
Check
CAUTION: Allow the fuser unit assembly to
cool down.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
"Transfer Go to step 6.
4-16.
Replace the
fuser unit
assembly.
Go to "Fuser
unit assembly
removal" on
page 4-15.
Previous
Go Back
No
Problem solved.
Remove debris
or
contamination.
Replace the 2nd
transfer roll
assembly.
Go to "2nd
transfer roll
assembly
removal" on
page 4-35.
Correct and
clean
contaminated
pins, or replace
the appropriate
PC cartridge or
connector.
Problem solved.
Go to step 8.
Next