Hcoe Rear Door Undetected Service Check - Lexmark M5150 Service Manual

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
Reseat all connectors on the controller PCBA, then POR the machine.
Does the error remain?

HCOE rear door undetected service check

Action
Step 1
Is the high capacity output expander the only output option installed?
Step 2
Remove all output options and re-install only the high capacity output
expander.
Enter Diagnostics Menu and navigate to:
Output bin tests > Feed to all bins
Does the output option feed to all bins normally?
Yes
Go to step 4.
Go to step 5.
Replace the controller
PCBA. See
controller PCBA
removal" on page
591.
If the error persists,
then replace the HCOE.
See
output expander
option removal" on
page
Yes
Go to step 3.
The problem may not
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.
Diagnostic information
319
No
The problem is solved.
Replace the upper
interface cable of the
base printer.
The problem is solved.
"HCOE
"High capacity
584.
No
Go to step 2.
Go to step 3.
4063