Finisher (Hpu) Main Motor Jam Service Check - Lexmark MX71x Service Manual

Action
Step 12
Open the top cover and do the following:
a
Check the right media stack flap for damage.
b
Make sure the right media stack flap is properly seated and aligned.
c
Check if the right media stack flap has no problem moving.
Is the right media stack flap functional and free of damage?
Step 13
Open the left cover, reseat all connectors on the stapler controller board
and then POR the machine.
Does the error remain?
Step 14
Open the left cover, reseat all connectors on the HPU controller board,
and then POR the machine.
Does the error remain?

Finisher (HPU) main motor 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
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Step 3
Check the main motor connections. Reseat the motor cable J3 on the
controller board.
Does the error remain?
Yes
Go to step 13.
Replace the stapler
controller board. See
"Stapler controller
board removal" on
page
If the error persists,
then go to step 14.
Replace the finisher
option. See
hole punch finisher
option removal" on
page
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Diagnostic information
195
No
Replace the finisher.
See "Staple, hole
punch finisher option
removal" on page
840.
The problem is solved.
851.
The problem is solved.
"Staple,
840.
No
The problem is solved.
Replace the upper
interface cable of the
machine under the
finisher.
The problem is solved.
7463