Faulty Paper Pushing Plate Motor (Related To Pi14S); Faulty Paper Pushing Plate Motor (Related To Pi15S) - Sharp AR-FN8 Service Manual

6.

Faulty paper pushing plate motor (related to PI14S)

Cause
Paper pushing plate
home position sensor
(PI14S)
Saddle stitcher controller
PCB
Paper pushing plate
motor (M8S)
Saddle stitcher controller
PCB
7.

Faulty paper pushing plate motor (related to PI15S)

Cause
Paper pushing top
position sensor (PI15S)
Saddle stitcher controller
PCB
Paper pushing plate
motor (M8S)
Saddle stitcher controller
PCB
Step Checks
1 Check the paper pushing plate
home position sensor. Is the
sensor normal?
2 Does the paper pushing plate
motor operate at a specific
timing?
3 Replace the paper pushing
plate motor. Is the problem
corrected?
Step Checks
1 Check the paper pushing plate
top position sensor. Is the
sensor normal?
2 Does the paper pushing plate
motor operate at a specific
timing?
3 Replace the paper pushing
plate motor. Is the problem
corrected?
CHAPTER 7 TROUBLESHOOTING
Yes/No
No Replace the sensor.
Yes Replace the saddle
stitcher controller PCB
No Check the paper
pushing plate drive
mechanisms. If a fault
is found, correct it.
Otherwise, go to step
3.
Yes End.
No Replace the saddle
stitcher controller
PCB.
Yes/No
No Replace the sensor.
Yes Replace the saddle
stitcher controller
PCB.
No Check the paper
pushing plate drive
mechanism. If a fault
is found, correct it.
Otherwise, go to step
3.
Yes End.
No Replace the saddle
stitcher controller
PCB.
Action
Action
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