Spots - Lexmark C950 Service Manual

Step
Check the LED printhead assembly for proper
7
installation.
Install the LED printhead assembly properly, and
perform a print test. Go to
page 3-22.
Does the problem remain?
Check the LED printhead.
8
Replace the LED printhead.
Go to
"LED printhead removal" on page
Does the problem remain?
Check the upper printer engine PCBA for proper
9
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to
"Upper printer engine PCBA removal" on
page 4-181.
Perform a print test. Go to
page 3-22.
Does the problem remain?

Spots

Leading edge
Trailing edge
Step
Check the media condition.
1
Load new, dry, recommended media.
Reprint the defective image.
Does the problem remain?
Check the media transfer route.
2
Is the media route free of contamination or debris?
Check
"PRINT TESTS" on
4-96.
"PRINT TESTS" on
Check
Yes No
Go to step 8. Problem
resolved
Go to step 9. Problem
resolved
Problem solved. Replace the RIP
PCBA.
Go to
"RIP
PCBA removal"
on page
Yes No
Go to step 2. Problem
resolved
Go to step 3. Remove debris
or
contamination.
Diagnostic information
5058-030
Previous
Next
Go Back
4-144.
2-235