Toshiba MJ-1027 Service Manual page 193

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12. Faulty swing motor (related to PI18)
Cause
Swinging mechanism
Swing guide open sensor
(PI18)
Swing motor (M7)
Finisher controller PCB
13. Faulty swing motor (related to MS3)
Cause
Safety range switch
(MS3)
Swing guide closed
detection switch 2 (MS6)
Finisher controller PCB
Step
Checks
1
Turn the delivery motor in
reverse by hand. Does the
swing guide move up and
down?
2
Is the swing guide open
sensor normal?
3
Does the swing motor rotate
in reverse at a specific timing?
Step
Checks
1
Check the safety range
switch. Is the switch normal?
2
Is the safety range detection
switch pressed correctly?
3
Check the swing guide closed
detection switch 2. Is the
switch normal?
4
Is the swing guide closed
detection switch 2 pressed
correctly?
CHAPTER 6 TROUBLESHOOTING
Yes/No
No
Correct the swinging
mechanism.
No
Replace the sensor.
No
Replace the motor.
Yes
Replace the finisher
controller PCB.
Yes/No
No
Replace the switch.
No
Correct mechanical
operation.
No
Replace the switch.
No
Correct mechanical
operation.
Yes
Replace the finisher
controller PCB.
Action
Action
6-27

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