Lexmark MX81 series - Finisher Right Tamper Jam Service Check

Action Yes No
Step 8
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.
Finisher right tamper jam 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 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.
Remove the left cover. Reseat the cable (J15) on the controller PCBA, then
POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
Remove the left and top cover. Reseat the cable (J6) on the controller
PCBA, then reseat the same cable on the motor end. POR the machine.
Does the error remain?
Go to step 4. The problem is solved.
Step 4
Swap the left and right tamper motors and take note of the error number,
then swap also the motor cables.
Does the same error occur?
Go to step 5. If a 452.73 or 452.74
error occurs, then
replace the right
tamper motor. Go to
“Tamper motor (right)
removal” on page
608.
Step 5
Remove the left cover and check the connector (J11) on the controller
PCBA. If damaged, then replace the staple finisher assembly. Go to “Staple
finisher/offset stacker option removal” on page 595.
Reseat the sensor cables (tamper motor HP and media stack flap) on the
controller PCBA, and then do a print test on the machine.
Does the error remain?
Go to step 6. The problem is solved.
7463
Diagnostic information
195