Spots - Lexmark X940e Service Manual

7510-XXX

Spots

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
Check the media transfer route.
Is the media route free of contamination or debris?
3 Check the four PC cartridges for spots or other damage
on the drum surfaces.
Are the PC cartridges free of excess wear and
contamination?
4 Check the 2nd transfer roll assembly for contamination
and wear.
Is the 2nd transfer roll assembly free of excess wear and
contamination?
5 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?
6 Replace the transfer belt unit assembly. Go to
belt unit assembly removal" on page
Does the problem remain?
2-208
MFP Service Manual
Check
CAUTION: Allow the fuser unit assembly to
cool down.
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Replace the
fuser unit
assembly.
Go to
unit assembly
removal" on
page
"Transfer Go to step 7.
4-16.
Yes No
Problem solved.
Remove debris
or
contamination.
Replace the
appropriate PC
cartridge or
connector.
Replace the 2nd
transfer roll
assembly.
"2nd
Go to
transfer roll
assembly
removal" on
page 4-35.
Go to step 6.
"Fuser
4-15.
Problem solved.