Lexmark MS81x Service Manual page 45

Actions
Step 4
Make sure the imaging unit or toner cartridge is not damaged.
a
Remove the print or toner cartridge.
Warning—Potential Damage: Be careful not to touch the
photoconductor drum or imaging unit. Doing so may affect the print
quality of future print jobs.
b
Reinstall the print or toner cartridge.
Note: For some printer models, you may need to check all printer or
toner cartridges.
Does the problem remain?
Step 5
Replace the imaging unit.or toner cartridge.
Does the problem remain?
Step 6
a
Check the media condition.
b
Load new, dry, recommended media.
c
Reprint the defective image.
Does the problem remain?
Step 7
a
Check the media transfer route.
b
Check the media route for contamination or obstacles.
Are there obstacles in the route?
Step 8
Check the imaging unit for proper installation.
Is the above component properly installed?
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?
Yes
Go to step 5.
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 9.
Go to step 10.
Replace the fuser. See
"Fuser removal" on
page
Diagnostic information
45
No
The problem is solved.
The problem is solved.
The problem is solved.
Remove obstacles or
contamination.
Inspect, clean, and
reinstall or replace the
imaging unit.
Replace the transfer
roller. See
roller removal" on
page 317.
Go to step 11.
322.
4063
"Transfer