Stapler Carriage (Hpu) Jam Service Check - Lexmark MX71x Service Manual

Stapler carriage (HPU) 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?
Step 4
Remove the left cover. Reseat the cable J7 on the stapler controller board,
and then POR the machine.
Does the error remain?
Step 5
Remove the right cover. Reseat the two cables on the stapler carriage,
then POR the machine.
Does the error remain?
Step 6
Check the stapler carriage cable J7 from the controller board to the stapler
end.
Is it free of damage?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
Diagnostic information
208
7463
No
The problem is solved.
The problem is solved.
Replace the upper
interface cable of the
machine under the
finisher.
The problem is solved.
The problem is solved.
Replace the door limit
switch with cable. See
"Stapler door close
limit switch removal"
on page 846.
If the error persists,
then replace the
stapler carriage. See
"Stapler carriage
assembly removal" on
page 848.