Lexmark MX71X - Finisher (HPU) Main Motor Jam Service Check

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