Lexmark MS711 - Stapler Carriage (HPU) Jam Service Check

Action Yes No
Step 14
Open the left cover, reseat all connectors on the stapler controller PCBA
and then POR the machine.
Does the error remain?
Replace the stapler
controller PCBA. See
“Stapler controller
PCBA removal” on
page 749.
If the error persists,
then replace the
finisher option. See
“Staple, hole punch
finisher option
removal” on page
738.
The problem is solved.
Stapler carriage (HPU) jam service check
Action Yes No
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?
Go to step 2. The problem is solved.
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 759.
Remove the left cover. Reseat the cable J15 on the controller PCBA, then
POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Go to step 4. Replace the upper
interface cable of the
machine under the
finisher.
Step 4
Remove the left cover. Reseat the cable J7 on the stapler controller PCBA,
and then POR the machine.
Does the error remain?
Go to step 5. The problem is solved.
4063
Diagnostic information
193