Lexmark C950 Service Manual page 287

Step
Replace the four developer housings and four
7
developer carriers. Go to
removal" on page
removal" on page
removal" on page
removal" on page
removal and replacement" 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 LED printhead.
9
Replace the LED printhead.
Go to
"LED printhead removal" on page
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 4-181.
Perform a print test. Go to
page 3-22.
Does the problem remain?
Check
"Developer housing (C)
4-45, "Developer housing (K)
4-51, "Developer housing (M)
4-56, "Developer housing (Y)
4-62,and "Developer carrier
4-42.
"PRINT TESTS" on
4-96.
"PRINT TESTS" on
Yes No
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
2-239