DOWNLOAD Sharp AR-F11 (serv.man8) Service Manual ↓ Size: 453.77 KB | Pages: 55 in PDF or view online for FREE

Model
AR-F11 (serv.man8)
Pages
55
Size
453.77 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Maintenance, inspection and troubleshooting
File
ar-f11-sm8.pdf
Date
PREV: Sharp AR-F11 (serv.man7) Service Manual

Sharp AR-F11 (serv.man8) Service Manual ▷ View online

8-32
CHAPTER 8   TROUBLESHOOTING
3.
Faulty height sensor (communication)
4.
Faulty height sensor (disconnection)
Checks
Is J6 on the finisher controller
PCB, J114 on the height sensor,
or the relay connector J212 or
J213 disconnected?
Measure the voltage
between J6-2 (+) and J6-4
(
−
) on the finisher controller
PCB. Is it 5 VDC?
Is the wiring between the
finisher controller PCB and
sensors normal?
Cause
Connector
Power supply
Height sensor (PS1)
Wiring
Step
1
2
3
Yes/No
Yes
No
Yes
No
Action
Connect the
connector.
Replace the finisher
controller PCB.
Replace the height
sensor.
Correct the wiring.
Checks
Turn the host machine OFF
then ON. Is the problem
corrected?
Is the wiring between the
finisher controller PCB and
the sensors normal?
Measure the voltage
between J6-2 (+) and J6-4
(
−
) on the finisher controller
PCB. Is it 5 VDC?
Cause
Finisher controller PCB
Wiring
Power supply
Height sensor (PS1)
Step
1
2
3
Yes/No
Yes
No
No
Yes
Action
End.
Correct the wiring.
Replace the finisher
controller PCB.
Adjust the height
sensor once again. If
an error occurs again,
replace the height
sensor.
8-33
CHAPTER 8   TROUBLESHOOTING
5.
Faulty height sensor (adjustment)
6.
Faulty back-up RAM
7.
Faulty delivery motor
Checks
Try making adjustments using
the DIP switch once again. Is
the problem corrected?
Is the wiring between the
finisher controller PCB and
sensors normal?
Measure the voltage
between J6-2 (+) and J6-4
(
−
) on the finisher controller
PCB. Is it 5 VDC?
Cause
Adjustment
Wiring
Power supply
Height sensor (PS1)
Step
1
2
3
Yes/No
Yes
No
No
Yes
Action
End.
Correct the wiring.
Replace the finisher
controller PCB.
Replace the height
sensor.
Checks
Turn the delivery roller by hand.
Does it turn smoothly?
Check the delivery motor clock
sensor. Is the sensor normal?
Does the voltage between J11-4
and J11-5 on the finisher
controller PCB change to 24
VDC as soon as the delivery
motor starts to rotate?
Cause
Deliver roller
Delivery motor clock
sensor (PI10)
Finisher controller PCB
Step
1
2
3
Yes/No
No
No
No
Yes
Action
Correct mechanical
operation.
Replace the sensor.
Replace the finisher
controller PCB.
Check the wiring
from the motor to the
controller PCB. If
normal, replace the
motor.
Checks
Turn the host machine OFF
then ON. Is the problem
corrected?
Replace the finisher controller
PCB and punch driver PCB. Is
the problem corrected?
Cause
Finisher controller
PCB, punch drive PCB
Step
1
2
Yes/No
Yes
Yes
Action
End.
End.
8-34
CHAPTER 8   TROUBLESHOOTING
8.
Faulty alignment motor
9.
Faulty staple motor
Checks
Is the wiring between the
stapler and the finisher
controller PCB normal?
Replace the stapler. Is the
problem corrected?
Cause
Wiring
Stapler
Finisher controller PCB
Step
1
2
Yes/No
No
Yes
No
Action
Correct the wiring.
End.
Replace the finisher
controller PCB.
Checks
Check the alignment plate
home position sensor. Is it
normal?
Is the wiring between the
finisher controller PCB and
the alignment plate motor
normal?
Is there any mechanical
obstacle in the path of the
alignment plate?
Replace the alignment
motor. Is the problem
corrected?
Cause
Alignment plate home
position sensor (PI6)
Wiring
Alignment plate
Alignment motor (M3)
Finisher controller PCB
Step
1
2
3
4
Yes/No
No
No
Yes
Yes
No
Action
Replace the sensor.
Correct the wiring.
Remove the
mechanical obstacle.
End.
Replace the finisher
controller PCB.
8-35
CHAPTER 8   TROUBLESHOOTING
10. Faulty stapler shift motor
11. Faulty swing motor (related to MS6)
Checks
Check the stapler shift home
position sensor. Is the sensor
normal?
Is the wiring between the
finisher controller PCB and
the stapler shift motor
normal?
Is there any mechanical
obstacle in the path of the
stapler shift base?
Replace the stapler motor. Is
the problem corrected?
Cause
Stapler shift home
position sensor (PI7)
Wiring
Stapler shift base
Stapler shift motor (M4)
Finisher controller PCB
Step
1
2
3
4
Yes/No
No
No
Yes
Yes
No
Action
Replace the sensor.
Correct the wiring.
Remove the
mechanical obstacles.
End
Replace the finisher
controller PCB.
Checks
Turn the swing motor in
reverse by hand. Does the
swing guide move up and
down?
Is the swing guide closed
detection switch 2 normal?
Does the swing motor rotate
in reverse at a specific
timing?
Cause
Swinging mechanism
Swing guide closed
detection switch 2 (MS6)
Swing motor (M7)
Finisher controller PCB
Step
1
2
3
Yes/No
No
No
No
Yes
Action
Correct the swing
mechanism.
Replace the
microswitch.
Replace the motor.
Replace the finisher
controller PCB.
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