sharp mx4070n code F1-16

[clark]

I know someone has to have the fix here. I got this machine in with the finisher. I turn it on and it say finisher jam. Nothing there. If i get past there i get the f1-16 code. I have a customer interested in the machine. Any help would be nice. Thanks

[JLSam]

F1-16Escape/Saddle transport switching
flapper motor trouble (3K FIN)

Trouble detection:
PCU

Cause:
Motor lock.
Control PWB trouble.
Disconnection of harness.
Connector connection trouble.
Home position sensor trouble.

Check & Remedy:
Use SIM3-3 to check the operation of the escape/
saddle transport switching flapper motor.
Check the harness and the connector connection
from the control PWB to the motor and the sensor.
Replace the stacker control PWB.
Replace the escape/saddle transport switching
flapper motor.
Replace the home position sensor.
Replace the harness.

And re-flash the firmware.