Action Yes No
Step 5
Check the lower interface cable. If damaged, then replace the lower
interface cable. See “Stapler lower interface cable removal” on
page 661.
Remove the left cover. Reseat the cable J15 on the controller PCBA, then
POR the machine.
Does the error remain?
Go to step 6. The problem is solved.
Step 6
Check the stapler rear door:
• Open the rear door, and check if it closes properly.
• Check the rear door rollers and locking mechanism for damage.
Is the stapler rear door functional and free of damage?
Go to step 7. Replace the stapler
rear door assembly.
See “Stapler rear door
removal” on page
622.
Step 7
Open the stapler rear door. Remove all obstructions along the paper path
and roller assembly.
Does the error remain?
Go to step 8. The problem is solved.
Step 8
Open the left and right cover, then do the following:
a Check the sensor flag (throat media present) for damage. Toggle the
sensor flag and check if it has no problem moving.
b Reseat the cable J8 on the controller PCBA. Do a staple test. Enter
Diagnostics menu, and then navigate to:
FINISHER TESTS > Staple Test
Does the error remain?
Replace the sensor
(throat media present).
See “Sensor (throat
media present)
removal” on page
632.
If the error persists,
then go to step 9.
The problem is solved.
Step 9
Check the media pusher assembly mechanism:
• Check the media pusher assembly, media pusher arm, and sensor flag
for damage.
• Pull the media pusher and check if it retracts
• Make sure that obstructions to the media pusher arm are removed.
• Check if the media pusher sensor flag engages properly with the sensor
(media pusher HP).
Open the left cover, reseat all connectors on the controller PCBA and then
POR the machine.
Is the media pusher assembly functional and free of damage?
Go to step 10. Replace the media
pusher assembly. See
“Media pusher
assembly removal” on
page 672.
4063
Diagnostic information
176
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