Spots - Lexmark T650 Service Manual

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 print cartridge for spots or other damage on
the drum surfaces.
Is the print cartridges free of excess wear and
contamination?
4 Check the charge roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
5 Check the transfer roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
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?
Check
CAUTION: : Allow
the fuser unit
assembly to cool
down.
Yes No
Go to step 2. Problem solved.
Go to step 3. Remove debris
or
contamination.
Go to step 4. Replace the
print cartridge.
Go to step 5. Replace the
charge roll
assembly.
Go to "Access
door removal"
on page
Go to step 6. Replace the
transfer roll
assembly.
Go to "Transfer
roll assembly
removal" on
page 4-80.
Replace the Go to step 7
fuser unit
assembly.
Go to "Fuser
unit assembly
removal" on
page 4-22.
Diagnostic information
4062
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