Lexmark MS711 - Sensor (HPU Throat Media Present) Jam Service Check

Action Yes No
Step 5
Is the ejector free of damage?
If the error persists,
then go to step 6.
Replace the finisher.
See “Staple, hole
punch finisher option
removal” on page
738.
Step 6
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. See “Staple,
hole punch finisher
option removal” on
page 738.
The problem is solved.
Sensor (HPU throat media present) 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.
4063
Diagnostic information
190