Stapler Carriage Jam Service Check - Lexmark MX71x Service Manual

Action
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?
Step 13
Do a feed test. Enter Diagnostics Menu and navigate to:
FINISHER TESTS > Feed test
Does the main motor run?
Step 14
Open the left cover, reseat all connectors on the controller board and then
POR the machine.
Does the error remain?

Stapler carriage jam service check

Action
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?
Step 2
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
Yes
Go to step 14.
Go to step 14.
Replace the controller
board. See
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.
Yes
Go to step 2.
Go to step 3.
Diagnostic information
191
No
Go to step 13.
Replace the stapler
main motor. See
"Stapler/offset stacker
main motor removal"
on page 757.
The problem is solved.
"Stapler/
No
The problem is solved.
Replace the upper
interface cable of the
printer.
7463