Lexmark MS81 Series Service Manual page 169

Action
Step 10
Check the sensor (divert motor). If damaged, then replace the sensor
(divert motor). Go to "Mailbox divert motor removal" on page
Re-seat the sensor connector (J8) on the controller PCBA. POR the
machine.
Does the error remain?
Step 11
Re-seat the divert motor connector (J7) on the controller PCBA. POR the
machine.
Does the error remain?
Step 12
Re-seat the main motor connector (J6) on the controller PCBA. POR the
machine.
Does the error remain?
Step 13
Open the inner right cover and check the belts.
Are they free of damage or obstructions?
Step 14
Open the rear door and actuate the sensor (rear door close) to override
the interlock mechanism. Open the right cover to be able to view the
solenoids.
Enter Diagnostics Menu and navigate to:
OUTPUT BIN TESTS > Feed Tests > Output Bin [x]
Observe the designated solenoid for each bin tested.
Do the solenoids activate during the feed test on each bin?
Step 15
Re-seat the solenoid connectors on the controller PCBA. POR the machine.
Does the error remain?
Yes
Go to step 11.
502.
Replace the divert
motor. If the error
persists, then go to step
12.
Replace the mailbox
assembly. If the error
persists, then go to step
13.
Go to step 14.
Go to step 16.
Swap the solenoids and
find out which one is
not functional. Replace
the non-functional
solenoid. Go to
"Mailbox solenoid
removal" on page
494.
If the error persists,
then go to step 16.
Diagnostic information
169
4063
No
The problem is solved.
The problem is solved.
The problem is solved.
Replace the belt. Go to
"Mailbox belt
removal" on page
508.
Go to step 15.
The problem is solved.