Lexmark C950 - Multiple LED Printhead Power Supply Failure; Single LED Printhead Power Failure; Next

Diagnostic information 2-37
5058-030
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115.01 Multiple LED printhead power supply failure
115.02 Single LED printhead power failure
2 Replace the LED printhead.
Go to “LED printhead removal”
on page 4-96.
Does the error remain?
Go to step 3. Problem resolved
3 Replace the printhead interface
contact.
Does the error remain?
Go to step 4. Problem resolved
4
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check each LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the printhead flat data
cable assembly.
Does the error remain?
Go to step 3. Problem resolved
3
Replace the printhead interface
contact.
Does the error remain?
Go to step 4. Problem resolved
4
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 5.
Problem resolved
5
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 3. Replace the connections.
Step Action and questions Yes No