Lexmark X95 series - Page 315

Diagnostic information 2-265
7558-xxx
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6
Check the LED beam route.
Check for debris between the LED printhead assembly
and the PC drum.
Check the four LED printhead assembly windows for
contamination.
Perform the printhead cleaning operation.
Is the LED beam route free of debris and the glass
window, in the LED printhead assembly, free of
contamination?
Go to step 7. Remove debris
or clean the LED
printhead
assembly
window.
7
Check the toner dispense motor assembly for proper
operation.
Replace the toner dispense motor assembly.
Go to “Toner dispense motor removal” on
page 4-170.
Does the problem remain?
Go to step 8. Problem
resolved
8
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 4-75.
Perform a print test.
Does the problem remain?
Go to step 9. Problem
resolved
9
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 4-181.
Perform a print test.
Does the problem remain?
Go to step 10. Problem
resolved
10
Check the upper printer engine PCBA for proper
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to “Upper printer engine PCBA removal” on
page 4-187.
Perform a print test.
Does the problem remain?
Go to step 11. Problem
resolved
11
Replace the RIP card PCBA.
Go to “RIP PCBA removal” on page 4-150.
Does the problem remain?
Go to step 12. Problem
resolved
Step Check Yes No