Faulty Microswitch (Related To Ms3S) - Sharp AR-FN8 Service Manual

14. Faulty microswitch (related to MS3S)

Cause
Switch actuator
Delivery switch (MS3S)
Delivery cover sensor
(PI3S)
Step Checks
1 Check the delivery door
switch actuator. Do the switch
and the sensor operate
correctly?
2 Check the delivery door
switch. Is the switch normal?
3 Measure the voltage at J11-9
on the saddle stitcher
controller PCB with the
delivery door open. Is it 5 V?
CHAPTER 7 TROUBLESHOOTING
Yes/No
No Correct the
mechanism.
No Replace the switch.
Yes The sensor is faulty.
Replace the sensor.
No Replace the saddle
stitcher controller
PCB.
Action
7-49