Lexmark C950 - Multiple LED Printhead Download Failure

2-38 Service Manual
5058-030
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115.03 Multiple LED printhead download failure
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.
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