Lexmark MX71X - Finisher (HPU) Right Tamper Jam Service Check

Action Yes No
Step 7
a Reseat the cable J4 on the stapler controller board, then reseat the
same cable on the tamper motor end.
b Swap the left and right tamper motors and take note of the error code.
Does the same error occur?
Go to step 8. If a 453.75 or 453.76
error occurs, then
replace the right
tamper motor. See
“Tamper motor (right)
removal” on page
871.
Step 8
Reseat all connectors on the stapler controller board and then POR the
machine.
Does the error remain?
Replace the stapler
controller board. See
“Stapler controller
board removal” on
page 851.
If the error persists,
then replace the
finisher. See
“Staple,
hole punch finisher
option removal” on
page 840.
The problem is solved.
Finisher (HPU) right tamper jam service check
Action Yes No
Step 1
a POR the printer.
b Reseat all the installed output options on the printer.
c Clear obstructions along the paper path.
d Make sure that the sensors (pass through) are free from obstructions.
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 861.
Remove the left cover. Reseat the cable J15 on the controller board, 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.
7463
Diagnostic information
198