Lexmark MX81 series - Stapler Carriage Failure Service Check

Action Yes No
Step 4
Open the left cover, and check the sensor (rear door interlock) including
its cable. If damaged, then replace the sensor.
Reseat the cable (J26) on the controller PCBA and reseat the connector
on the sensor end. POR the machine.
Does the error remain?
Go to step 5. The problem is solved.
Step 5
Open the left cover, reseat all connectors on the controller PCBA and then
POR the machine.
Does the error remain?
Replace the controller
PCBA. Go to “Stapler/
offset stacker
controller PCBA
removal” on page
613.
The problem is solved.
Stapler carriage failure service check
Action Yes No
Step 1
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
Go to step 2. Replace the upper
interface cable of the
printer installed under
the staple finisher.
Step 2
Check the lower interface cable. If damaged, then replace the lower
interface cable. Go to “Stapler/offset stacker lower interface cable
removal” on page 611.
Reseat the connector (J15) on the controller PCBA, then POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
Open the left cover. Reseat the cables (J17 and J11) on the controller PCBA,
then POR the machine.
Does the error remain?
Go to step 4. The problem is solved.
Step 4
Open the left cover and do the following:
• check the compactor assembly and compactor arm for damage
• manually pull the compactor arm and observe if it retracts
• make sure that obstructions on the compactor arm are removed
• check if the compactor flag engages properly with the sensor
(compactor HP)
Are the above components ok?
Go to step 5. Replace the staple
finisher assembly. Go
to “Staple finisher/
offset stacker option
removal” on page
595.
7463
Diagnostic information
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