Hpu Communication Error Jam Service Check - Lexmark MX71x Service Manual

HPU communication error jam service check

Action
Step 1
Check the lower interface cable. If damaged, then replace the lower
interface cable. See "Staple, hole punch lower interface cable removal"
on page 861.
Remove the left cover. Reseat the cable J15 on the controller board, then
POR the machine.
Does the error remain?
Step 2
a
Reseat all cables on the HPU controller board.
b
Reseat the cables J27, J19, and J13 on the stapler controller board.
Does the error remain?
Step 3
Open the left cover, reseat all connectors on the stapler controller board
and then POR the machine.
Does the error remain?
Yes
Go to step 2.
Replace the finisher
option. See
hole punch finisher
option removal" on
page
If the error persists,
then go to step 3.
Replace the stapler
controller board. See
"Stapler controller
board removal" on
page
If the error persists,
then replace the
finisher option. See
"Staple, hole punch
finisher option
removal" on page
840.
Diagnostic information
212
No
The problem is solved.
The problem is solved.
"Staple,
840.
The problem is solved.
851.
7463