Hpu Motor Jam Service Check - Lexmark MX71x Service Manual

Action
Step 7
Remove the stapler carriage. Manually turn the gears to open the stapling
mechanism. While open, check the area inside the stapling mechanism
and make sure it is free from obstructions.
Is it free of damage?
Step 8
Reseat all connectors on the stapler controller board and then POR the
machine.
Does the error remain?

HPU motor jam service check

Action
Step 1
a
Reseat the finisher option on the printer.
b
Clear obstructions along the paper path.
c
Make sure that the sensors (pass through) are free from obstructions.
d
Close the rear door properly.
e
POR the printer.
Does the error remain?
Step 2
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?
Yes
Go to step 8.
Replace the stapler
controller board. See
"Stapler controller
board removal" on
page
If the error persists,
then replace the
finisher. See
hole punch finisher
option removal" on
page
Yes
Go to step 2.
Go to step 3.
Diagnostic information
209
No
Replace the stapler
carriage. See
carriage assembly
removal" on page
848.
The problem is solved.
851.
"Staple,
840.
No
The problem is solved.
The problem is solved.
7463
"Stapler