Action Yes No
Step 6
a Reseat the cable J11 on the controller PCBA. Reseat the same cable
on the sensor (right tamper motor HP) and sensor (left tamper motor
HP) end.
b Swap the sensor (left tamper motor HP) and sensor (right tamper
motor HP).
Does the same error occur?
Go to step 7. If a 453.75 or 453.76
error occurs, then
replace the sensor
(right tamper motor
HP). See “Sensor (right
tamper motor HP)
removal” on page
647.
Step 7
a Reseat the cable J4 on the stapler controller PCBA, 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
769.
Step 8
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.
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 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.
4063
Diagnostic information
184