Finisher Door Undetected Service Check - Lexmark MX71x Service Manual

Finisher door undetected 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?
Step 3
Open the rear door and do the following:
•
check if the rear door closes properly
•
check the rear door rollers for damage
•
check the locking mechanism for damage
•
check the rear door for damage
Are the above components ok?
Step 4
Open the left cover, and check the sensor (rear door interlock) including
its cable. If damaged, then replace the sensor.
Reseat the cable J26 on the controller board and reseat the connector on
the sensor end. POR the machine.
Does the error remain?
Step 5
Open the left cover, reseat all connectors on the controller board and then
POR the machine.
Does the error remain?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Replace the controller
board. Go to
offset stacker
controller board
removal" on page
756.
Diagnostic information
323
No
Replace the upper
interface cable of the
printer under the
staple finisher.
The problem is solved.
Replace the rear door.
Go to "Stapler/offset
stacker rear door
removal" on page
724.
The problem is solved.
The problem is solved.
"Stapler/
7463