Lexmark MX71X - Finisher Left Tamper Jam Service Check

Action Yes No
Step 4
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 6. Go to step 5.
Step 5
Do a feed test. Enter Diagnostics Menu and navigate to:
FINISHER TESTS > Feed test
Does the main motor run?
Go to step 6. Replace the stapler
main motor. See
“Stapler/offset stacker
main motor removal”
on page 757.
Step 6
Check the drive gear assembly mechanism:
• Remove the finisher option from the printer. From the bottom of the
option, turn the lowermost drive gear clockwise. Make sure the rollers
engaged to the lowermost gear will also turn.
• Check the drive gear assembly for damage.
Is the drive gear assembly functional and free of damage?
Go to step 7. Replace the stapler
drive gear assembly.
See
“Stapler/offset
stacker drive gear
assembly removal” on
page 761.
Step 7
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. See
“Staple
finisher/offset stacker
option removal” on
page 723.
The problem is solved.
Finisher left tamper 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.
7463
Diagnostic information
180