Lexmark MX71X - Finisher Side Door Error Service Check

Action Yes No
Step 3
Reseat all the connectors on the controller board, then POR the machine.
Does the error remain?
Replace the controller
board. See
“Mailbox
controller board
removal” on page
809.
If the error persists,
then replace the
mailbox. See
“Mailbox
option removal” on
page 791.
The problem is solved.
Finisher side door error service check
Action Yes No
Step 1
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
Go to step 2. Replace the upper
interface cable of the
printer under the
staple finisher.
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?
Go to step 3. The problem is solved.
Step 3
Check if the stapler cartridge access door closes properly. Make sure that
obstructions are cleared and that the access door is correctly installed.
Is the component functioning properly?
Go to step 4. Replace the stapler
cartridge access door.
Go to
“Stapler
cartridge access door
removal” on page
784.
Step 4
Check the sensor (cartridge door interlock). Enter Diagnostics Menu and
navigate to:
FINISHER TESTS > Sensor Test >Cover and Door
Does the display on the operator panel change every time the sensing
area of the sensor is interrupted or blocked?
Go to step 8. Go to step 5.
Step 5
Remove the left cover. Reseat the cable J20 on the controller board then
POR the machine.
Does the error remain?
Go to step 6. The problem is solved.
7463
Diagnostic information
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