Controller Communication Failure; Im Logic Failure; Rip Card Assembly Nvram Failure - Lexmark X95 series Service Manual

7558-xxx
Step Action and questions
POR the machine.
2
Does the error continue?
POR the machine.
3
Does the error continue?

940.03 Controller communication failure

Step Action and questions
Check the bridge controller PCBA
1
connections.
Are the above connections
properly connected and not
damaged?
Replace the bridge PCBA. Go to
2
"Bridge PCBA removal" on
page 4-32.
Does the error remain?
POR the machine.
3
Does the error continue?

940.04 IM logic failure

Step Action and questions
Install the correct firmware.
1
Does the problem persist?
POR the machine.
2
Does the error continue?
951.xx RIP card assembly NVRAM failure
Step Action and questions
Perform a POR.
1
Does the error occur when the
power is turned off/on?
Service Manual
2-256
Yes
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-187.
Go to step 3.
Replace the lower printer engine
PCBA.
Go to
"Lower engine PCBA
removal" on page 4-104.
Yes
Go to step 2.
Go to step 3.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-187.
Yes
Go to step 2.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-187.
Yes
Go to step 2.
No
Problem resolved
Problem resolved
No
Connect the components
properly and replace damaged
connections.
Problem resolved
Problem resolved
No
Problem resolved
Problem resolved
No
Perform several print tests.
If the problem remains, then go to
step 2.
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