Lexmark M5150 Service Manual page 154

Action
Step 3
Check the lower interface cable. If damaged, then replace the lower
interface cable. Go to "HCOE lower interface cable removal" on
page 593.
Remove the left cover. Reseat the cable J1 on the controller PCBA, then
POR the machine.
Does the error remain?
Step 4
Check the auto connector end of the printer underneath the option.
Is it free of damage or obstructions?
Step 5
Check the following:
•
Check the rear door for damage. Open the rear door, and then check
if it closes properly.
•
Check the rear door rollers for damage. Turn the rear door rollers and
check if they have no problem moving.
Are the rear door components functional and free of damage?
Step 6
a
Reseat the connector of the sensor (HCOE rear door interlock). To
access the sensor, see "Sensor (HCOE rear door interlock) removal"
on page 599.
b
Reseat the same sensor cable J14 on the controller PCBA.
c
POR the machine.
Does the error remain?
Step 7
a
Open the left cover. Reseat the diverter motor cable J6 on the
controller PCBA.
b
Remove the two screws from the diverter motor. Pull away the motor,
and then check the pinion gear for damage.
c
Do a feed test and check if the diverter motor runs. Enter Diagnostics
menu, and then navigate to:
OUTPUT BIN TESTS > Feed Tests
Select the output bin assigned as the HCOE option, and then select
Single.
Is the diverter motor functional and free of damage?
Step 8
Open the left cover. Reseat the main motor cable J4 on the controller
PCBA.
Does the error remain?
Yes
Go to step 4.
Go to step 5.
Go to step 6.
Replace the sensor
(HCOE rear door
interlock). See
(HCOE rear door
interlock) removal" on
page
If the error persists,
then go to step 7.
Go to step 8.
Go to step 9.
Diagnostic information
154
No
The problem is solved.
Replace the upper
interface cable of the
base printer.
Replace the HCOE rear
door. See
door removal" on
page 585.
The problem is solved.
"Sensor
599.
Replace the HCOE
diverter motor. See
"HCOE diverter motor
removal" on page
595.
The problem is solved.
4063
"HCOE rear