Fuser Pressure Roll Retract Motor Failure; Encoder Pulse Failure - Lexmark X95x Series Service Manual

Step Action and questions
POR the machine.
4
Does the error continue?

120.02 Fuser pressure roll retract motor failure

Step Action and questions
Check the fuser pressure roll
1
retract motor.
Is the above component
properly connected?
Replace the fuser pressure roll
2
retract motor. Go to
pressure roll retract motor
removal" on page
Does the error remain?
Check the fuser assembly.
3
Is the above component
properly connected?
Replace the fuser assembly. Go
4
to
"Fuser assembly removal"
on page 4-87.
Does the error remain?
POR the machine.
5
Does the error continue?
POR the machine.
6
Does the error continue?

121.01 Encoder pulse failure

Step Action and questions
Check the fuser assembly.
1
Is the above component
properly connected?
Replace the fuser assembly. Go
2
to
"Fuser assembly removal"
on page 4-87.
Does the error remain?
Yes
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
Yes
Go to step 2.
Go to step 3.
"Fuser
4-96.
Go to step 2.
Go to step 3.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page
Go to step 6.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
Yes
Go to step 2.
Go to step 3.
No
Problem resolved
4-189.
No
Replace the connections.
Problem resolved
Replace the connections.
Problem resolved
Problem resolved
4-106.
Problem resolved
4-189.
No
Replace the connections.
Problem resolved
Diagnostic information
7558-xxx
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