Actions Yes No
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?
Go to step 5. The problem is solved.
Step 5
Replace the imaging unit.or toner cartridge.
Does the problem remain?
Go to step 6. The problem is solved.
Step 6
a Check the media condition.
b Load new, dry, recommended media.
c Reprint the defective image.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
a Check the media transfer route.
b Check the media route for contamination or obstacles.
Are there obstacles in the route?
Go to step 8. Remove obstacles or
contamination.
Step 8
Check the imaging unit for proper installation.
Is the above component properly installed?
Go to step 9. Inspect, clean, and
reinstall or replace the
imaging unit.
Step 9
Check the transfer roller assembly for contamination and wear.
Is the above component free of excess wear and contamination?
Go to step 10. Replace the transfer
roller. See “Transfer
roller removal” on
page 317.
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?
Replace the fuser. See
“Fuser removal” on
page 322.
Go to step 11.
4063
Diagnostic information
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