Vertical Stripes (Process Direction) - Lexmark T650 Service Manual

4062

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 charge roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
4 Check the transfer roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
5 Check the print cartridge for proper installation.
Is the above component properly installed?
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?
2-158
Service Manual
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
charge roll
assembly.
Go to "Access
door removal"
on page
Go to step 5. Replace the
transfer roll
assembly.
Go to "Transfer
roll assembly
removal" on
page 4-80.
Go to step 6. Inspect, clean
and reinstall
replace the print
cartridge.
Replace the Go to step 7.
fuser unit
assembly.
Go to "Fuser
unit assembly
removal" on
page 4-22.
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4-7.