Finisher Cartridge Error Service Check - Lexmark MX71x Service Manual

Action
Step 6
Check the sensor (cartridge door interlock). Make sure the sensor is stable
and properly installed.
Swap the sensor with another common sensor. Reseat the cable on the
sensor side, then POR the machine.
Does the error remain?
Step 7
Check the limit switch (door close). Make sure the switch is stable and
properly installed. Do the following:
• Check if the switch toggles properly.
• Check for damage.
Is the component functional and free of damage?
Step 8
Open the left cover, reseat all connectors on the controller board and then
POR the machine.
Does the error remain?

Finisher cartridge error service check

Action
Step 1
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
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 754.
Remove the left cover. Reseat the cable J15 on the controller board, then
POR the machine.
Does the error remain?
Yes
If the same error
occurs, then go to step
7. If another error
occurs, then the sensor
needs to be replaced.
Go to
(cartridge door
interlock) removal" on
page
Go to step 8.
Replace the controller
board. Go to
offset stacker
controller board
removal" on page
756.
If the error persists,
then replace the staple
finisher. Go to
finisher/offset stacker
option removal" on
page
Yes
Go to step 2.
Go to step 3.
Diagnostic information
319
No
The problem is solved.
"Sensor
786.
Replace the limit
switch. Go to
door close limit switch
removal" on page
786.
The problem is solved.
"Stapler/
"Staple
723.
No
Replace the upper
interface cable of the
printer under the
staple finisher.
The problem is solved.
7463
"Stapler