Lexmark X95 series - Duplex Controller Card Assembly Communication Failure; Engine Flicker Communication Failure

Diagnostic information 2-259
7558-xxx
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980.04 Duplex controller card assembly communication failure
980.05 Engine flicker communication failure
Step Action and questions Yes No
1
Check the duplex unit for proper
installation.
Remove the duplex unit
assembly, and reinstall it.
Perform a 2-sided print test.
Does the error still occur?
Go to step 2. Problem solved.
2
Check the duplex controller card
assembly and printer engine card
assembly for proper connection.
Are the connections on the
duplex controller card
assembly and the connector
P417 on the printer engine card
assembly connected?
Go to step 3. Replace the connection.
3
Perform a 2-sided print test.
Does the error still occur?
Replace the printer left duplex
door assembly.
Go to “Printer left duplex door
assembly removal” on
page 4-142.
Go to step 4.
Problem solved.
4
POR the machine, and perform a
print test.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-187.
Go to step 5.
Problem resolved
5
POR the machine, and perform a
print test.
Does the error continue?
Replace the lower printer engine
PCBA.
Go to “Lower engine PCBA
removal” on page 4-104.
Problem resolved
Step Action and questions Yes No
1 Perform a POR.
Does the error occur when the
power is turned off/on?
Go to step 2. Perform several print tests.
If the problem remains, then go to
step 2.
2
POR the machine, and perform a
print test.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-187.
If the error remains, then go to
step 3.
Problem resolved