Lexmark M5150 Service Manual page 172

Action
Step 3
Remove all output options and re-install only the staple finisher.
Enter Diagnostics Menu and navigate to:
Output bin tests > Feed to all bins
Does the output option feed to all bins normally?
Step 4
Check the auto connector end of the option previously installed below the
staple finisher.
Is it free of damage?
Step 5
Check the lower interface cable. If damaged, then replace the lower
interface cable. See "Stapler lower interface cable removal" on
page 661.
Remove the left cover. Reseat the cable J15 on the controller PCBA, then
POR the machine.
Does the error remain?
Step 6
Remove the left cover. Reseat the cable J11 on the controller PCBA, then
reseat the same cable on the sensor (paddle motor HP) end. POR the
machine.
Does the error remain?
Step 7
Reseat the cable J5 on the controller PCBA, then reseat the same cable on
the motor end. POR the machine.
Does the error remain?
Step 8
Check the paddle motor. If damaged, then replace the paddle motor. See
"Paddle drive motor removal" on page
Does the error remain?
660.
Diagnostic information
172
Yes No
The problem may not Go to step 4.
be on this option tray.
Re‑install the
remaining output
options one at a time
and test each option
for errors. Proceed
with the appropriate
service check based on
the error message and
the output option
being tested.
Go to step 5. Replace the upper
interface cable of the
output option
previously installed
under the staple
finisher.
Go to step 6. The problem is solved.
Replace the sensor The problem is solved.
(paddle motor HP). See
"Sensor (paddle motor
HP) removal" on
page 643.
If the error persists,
then go to step 7.
Go to step 8. The problem is solved.
Go to step 9. The problem is solved.
4063