Lexmark MX71X - Mailbox Diverter Plunger Jam Service Check

Action Yes No
Step 12
Reseat all the connectors on the controller board. 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 assembly. See
“Mailbox option
removal” on page
791.
The problem is solved.
Mailbox diverter plunger jam service check
Action Yes No
Step 1
Check the auto connector end of the printer below the mailbox.
Is it free of damage?
Go to step 2. Replace the upper
interface cable of the
printer.
Step 2
Check the lower interface cable. If damaged, then replace the lower
interface cable. See
“Mailbox lower interface cable removal” on
page 812.
Reseat the connector J1A on the controller board, then POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
a Reseat the divert motor connector J7 on the controller board.
b Remove the two screws from the diverter motor. Pull away the motor,
and then check it for damage.
c Do a feed test and check if the diverter motor runs. Enter Diagnostics
menu and navigate to:
OUTPUT BIN TESTS > Feed Tests
Select the output bin assigned as the mailbox option, and then select
Single.
Is the diverter motor functional and free of damage?
Go to step 4. Replace the diverter
motor. See
“Mailbox
diverter motor
removal” on page
814.
Step 4
Check the diverter plunger assembly:
• Check the diverter plunger for damage.
• Check the diverter cam for damage.
• Check if the plunger moves up or down when the cam is rotated.
Is the diverter plunger assembly functional and free of damage?
Go to step 5. Replace the mailbox
diverter plunger
assembly. See
“Mailbox diverter
plunger assembly
removal” on page
805.
7463
Diagnostic information
166