Lexmark C950 - Single LED Printhead Download Failure; Multiple LED Printhead Mismatch Failure; Go Back

Diagnostic information 2-39
5058-030
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115.04 Single LED printhead download failure
115.05 Multiple LED printhead mismatch failure
Step Action and questions Yes No
1 Check the LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 2. Replace the connections.
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 flat data
cable assembly.
Does the error remain?
Go to step 3. Problem resolved
4
Replace the printhead interface
contact.
Does the error remain?
Go to step 4. Problem resolved
5
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 6.
Problem resolved
6
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 2. Replace the connections.
2
Replace the printhead interface
contact.
Does the error remain?
Go to step 3. Problem resolved
3
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 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