Lexmark C935 Series, Service Manual

Page: 255 / 630

Diagnostic information
2-163
5057-XXX
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After image
The ghost appears on the media which, may be the image from the previous page or part of the page
currently printing.
7 Check the printhead assembly.
Replace the printhead assembly.
Go to “Printhead assembly removal” on page 4-104 .
Does the error continue?
Go to step 8. Problem solved.
8 Check the upper printer engine card assembly.
Replace the upper printer engine card assembly.
Go to “Upper printer engine card assembly removal”
on page 4-90 .
Perform a print test.
Does the error continue?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-86
.
Problem solved.
Step Check Yes No
1 Check the media condition.
Load new, dry, recommended media.
Re-print the defective image.
Does the error continue?
Go to step 2. Problem solved.
2 Check the four toner cartridges.
Re-print the defective image.
Is the image density normal?
Problem solved. Replace any
empty toner
cartridges.
3 Check the heat roll and the pressure roll.
Remove the fuser unit assembly.
Caution: Allow the fuser unit assembly to cool down.
Is there contamination or cracks on the heat roll and/or
pressure roll?
Replace the
fuser unit
assembly.
Go to “Fuser
unit assembly
removal” on
page 4-15
.
Go to step 4.
Step Check Yes No
Leading edge
Trailing edge