Lexmark C950 Service Manual page 271

Step
Replace the transfer belt cleaner. Go to
5
cleaner removal" on page
Does the problem remain?
Check the heat belt and pressure roll in the fuser
6
assembly for scratches or defects.
CAUTION: The fuser assembly might be hot.
Allow the fuser assembly to cool.
Remove the fuser assembly.
Is there contamination or cracks on the heat belt
and/or pressure roll?
Replace the transfer belt assembly. Go to
7
belt assembly removal" on page
Does the problem remain?
Check the transfer roll HVPS PCBA for proper
8
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the transfer roll HVPS PCBA.
Go to
"Transfer roll HVPS PCBA removal" on
page 4-175.
Perform a print test. Go to
page 3-22.
Does the problem remain?
Check the developer HVPS PCBA for proper
9
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the developer HVPS PCBA.
Go to
"Developer HVPS PCBA removal" on
page 4-69.
Perform a print test. Go to
page 3-22.
Does the problem remain?
Check the upper printer engine PCBA for proper
10
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to
"Upper printer engine PCBA removal" on
page 4-180.
Perform a print test. Go to
page 3-22.
Does the problem remain?
Check
"Transfer belt
4-172.
"Transfer
4-168.
"PRINT TESTS" on
"PRINT TESTS" on
"PRINT TESTS" on
Yes No
Go to step 6. Problem
resolved
Replace the Go to step 6.
fuser assembly.
Go to
"Fuser
assembly
removal" on
page 4-78.
Go to step 8. Problem
resolved
Go to step 9. Problem
resolved
Go to step 10. Problem
resolved
Replace the RIP Problem
PCBA. resolved
Go to
"RIP
PCBA removal"
on page 4-144.
Diagnostic information
5058-030
Previous
Next
Go Back
2-225