Lexmark C950 - Page 278

2-230 Service Manual
5058-030
Go Back
Previous
Next
2
Are the media transfer route and the media path free of
contamination and debris?
Go to step 3. Remove debris or
contamination.
3
Check the PC units for proper connection.
Does the problem remain?
Go to step 4 Problem resolved
4
Check the 2nd transfer roller for contamination and wear.
Is the 2nd transfer roller free of excess wear and
contamination?
Go to step 5. Replace the 2nd
transfer roller.
Go to “2nd
transfer roller
removal” on
page 4-24.
5
Replace the four developer housings and four developer
carriers. Go to
“Developer housing (C) removal” on
page 4-45, “Developer housing (K) removal” on
page 4-51, “Developer housing (M) removal” on
page 4-56, “Developer housing (Y) removal” on
page 4-62,and “Developer carrier removal and
replacement” on page 4-42.
Does the problem remain?
Go to step 6. Problem resolved
6
Check the developer HVPS PCBA for proper 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 “PRINT TESTS” on page 3-22.
Does the problem remain?
Go to step 7. Problem resolved
7
Check the transfer roll HVPS PCBA for proper
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 “PRINT TESTS” on page 3-22.
Does the problem remain?
Go to step 8. Problem resolved
8
Check the LED printhead.
Replace the LED printhead.
Go to “LED printhead removal” on page 4-96.
Does the problem remain?
Go to step 9. Problem resolved
9
Check the upper printer engine RIP card PCBA for proper
connectivity. Disconnect and reconnect all appropriate
cables.
Perform a print test. Go to “PRINT TESTS” on page 3-22.
Does the problem remain?
Replace the RIP
PCBA.
Go to “RIP PCBA
removal” on
page 4-144.
Problem resolved
Step Check Yes No