Finisher (Hpu) Paddle Jam Service Check - Lexmark MX71x Service Manual

Action
Step 6
a
Make sure the sensor (stapler diverter plunger HP) is properly seated.
b
Reseat the cable J8 on the controller board. Reseat the same cable on
the sensor (stapler diverter plunger HP) end. POR the machine.
Does the error remain?
Step 7
Reseat all connectors on the stapler controller board and then POR the
machine.
Does the error remain?

Finisher (HPU) paddle jam service check

Action
Step 1
a
POR the printer.
b
Reseat the installed output option on the printer.
c
Clear obstructions along the paper path.
d
Make sure that the sensors (pass through) are free from obstructions.
e
Close the rear door properly.
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?
Step 3
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Yes
Go to step 7.
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.
Go to step 4.
Diagnostic information
202
No
The problem is solved.
The problem is solved.
851.
"Staple,
840.
No
The problem is solved.
The problem is solved.
Replace the upper
interface cable of the
machine under the
finisher.
7463