Multiple Led Printhead Download Failure - Lexmark C950 Service Manual

5058-030
Step Action and questions
Replace the printhead flat data
2
cable assembly.
Does the error remain?
Replace the printhead interface
3
contact.
Does the error remain?
POR the machine.
4
Does the error continue?
POR the machine.
5
Does the error continue?

115.03 Multiple LED printhead download failure

Step Action and questions
Check the LED printhead for
1
proper connections.
Is the above component
properly connected?
Replace the printhead flat data
2
cable assembly.
Does the error remain?
Replace the printhead interface
3
contact.
Does the error remain?
POR the machine.
4
Does the error continue?
POR the machine.
5
Does the error continue?
Service Manual
2-38
Yes
Go to step 3.
Go to step 4.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page 4-98.
Go to step 5.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-181.
Yes
Go to step 3.
Go to step 3.
Go to step 4.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page 4-98.
Go to step 5.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-181.
No
Problem resolved
Problem resolved
Problem resolved
Problem resolved
No
Replace the connections.
Problem resolved
Problem resolved
Problem resolved
Problem resolved
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