Lexmark MX71X - Stapler Carriage Jam Service Check

Action Yes No
Step 12
Remove the three screws securing the main motor.
Note: No need to disconnect the motor cable. Just pull away the motor
to see its pinion gear.
POR the machine and check if the main motor runs.
Does the main motor run?
Go to step 14. Go to step 13.
Step 13
Do a feed test. Enter Diagnostics Menu and navigate to:
FINISHER TESTS > Feed test
Does the main motor run?
Go to step 14. Replace the stapler
main motor. See
“Stapler/offset stacker
main motor removal”
on page 757.
Step 14
Open the left cover, reseat all connectors on the controller board and then
POR the machine.
Does the error remain?
Replace the controller
board. See
“Stapler/
offset stacker
controller board
removal” on page
756.
If the error persists,
then replace the staple
finisher assembly. See
“Staple finisher/offset
stacker option
removal” on page
723.
The problem is solved.
Stapler carriage jam service check
Action Yes No
Step 1
a POR the printer.
b Reseat the installed output option on the printer.
c Clear obstructions along the paper path.
d Make sure that the sensors (pass through) are free from obstructions.
e Close the rear door properly.
Does the error remain?
Go to step 2. The problem is solved.
Step 2
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
Go to step 3. Replace the upper
interface cable of the
printer.
7463
Diagnostic information
191