Toshiba MJ-1027 Service Manual page 204

CHAPTER 6 TROUBLESHOOTING
13. Faulty microswitch (related to MS2S)
Cause
Switch actuator
Front door switch
(MS2S)
Front door open/closed
sensor (PI12S)
14. Faulty microswitch (related to MS3S)
Cause
Switch actuator
Delivery switch (MS3S)
Delivery cover sensor
(PI3S)
6-38
Step Checks
1 Check the switch actuator of
the front door. Do the switch
and the sensor operate
correctly?
2 Check the front door switch.
Is the switch normal?
3 Measure the voltage at J11-12
on the saddle stitcher
controller PCB with the front
door open. Is it 5 V?
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?
Yes/No Action
No Correct the
mechanism.
No Replace the switch.
Yes The sensor is faulty.
Replace the sensor.
No Replace the saddle
stitcher controller
PCB.
Yes/No Action
No Correct the
mechanism.
No Replace the switch.
Yes The sensor is faulty.
Replace the sensor.
No Replace the saddle
stitcher controller
PCB.