Read Sharp AR-FN5 (serv.man3) Service Manual online
3. Troubleshooting
1) Copier communication trouble (F1-00)
Check item
Step
Cause/Trouble position
Result
Remedy
Is the illustration of the finisher displayed on the LCD of
the operation panel?
the operation panel?
1
Machine connection cable
No
Replace the machine connection
cable.
cable.
Is the power supplied normally? (5V, 3.3V)
2
Machine OP interface PWB
No
Replace the OP interface PWB.
Does replacement of the finisher PWB cancel the trouble?
3
Finisher PWB
Yes
End
2) Paper exit unit trouble
2-1) Lift-up motor trouble (F1-15)
Check item
Step
Cause/Trouble position
Result
Remedy
Do the offset tray upper limit and lower limit sensors
respond correctly?
respond correctly?
1
Upper/lower limit sensors
No
Replace the sensor(s). Check
wiring.
wiring.
Does the paper hold sensor respond correctly?
2
Paper hold sensor
No
Replace the sensor(s). Check
the wiring.
the wiring.
Does the lift-up encoder respond correctly?
3
Lift-up encoder
No
Replace the sensor(s). Check
wiring.
wiring.
Is wiring between the finisher PWB and the lift-up motor
normal?
normal?
4
Wiring
No
Replace or repair the wiring.
Does replacement of the offset motor cancel the trouble?
5
Lift-up motor
No
Replace the lift-up motor.
Does replacement of the finisher PWB cancel the trouble?
6
Finisher PWB
Yes
End
2-2) Offset motor trouble (F1-06)
Check item
Step
Cause/Trouble position
Result
Remedy
Does the offset tray home position sensor respond
normally?
normally?
1
Offset home position sensor
No
Replace the sensor. Check the
wiring.
wiring.
Is the wiring between the finisher PWB and the offset
motor proper?
motor proper?
2
Wiring
No
Replace or repair the wiring.
Does replacement of the offset motor cancel the trouble?
3
Offset motor
No
Replace the offset motor.
Does replacement of the finisher PWB cancel the trouble?
4
Finisher PWB
Yes
End
3) Alignment unit trouble
3-1) Side guide plate home position error (F1-01)
Check item
Step
Cause/Trouble position
Result
Remedy
Does the side guide plate position sensor respond
normally?
normally?
1
Side guide plate home position
sensor
sensor
No
Replace the sensor. Check the
wiring.
wiring.
Is the wiring between the finisher PWB and the side guide
plate motor proper?
plate motor proper?
2
Wiring
No
Replace or repair the wiring.
Does replacement of the side guide plate cancel the
trouble?
trouble?
3
Side guide plate motor
No
Replace the side guide plate
motor.
motor.
Does replacement of the finisher PWB cancel the trouble?
4
Finisher PWB
Yes
End
3-2) Rear edge plate home position error (F1-11)
Check item
Step
Cause/Trouble position
Result
Remedy
Does the rear edge plate position sensor respond
normally?
normally?
1
Rear edge home position sensor
No
Replace the sensor. Check the
wiring.
wiring.
Is the wiring between the finisher PWB and the rear edge
plate motor proper?
plate motor proper?
2
Wiring
No
Replace or repair the wiring.
Does replacement of the rear edge plate motor cancel
the trouble?
the trouble?
3
Rear edge plate motor
No
Replace the rear end plate
motor.
motor.
Does replacement of the finisher PWB cancel the trouble?
4
Finisher PWB
Yes
End
4) Staple motor error (F1-08)
Check item
Step
Cause/Trouble position
Result
Remedy
Does the home position sensor respond normally?
1
Staple unit
No
Replace the staple unit.
Is the wiring of the finisher staple unit proper?
2
Wiring
No
Replace or repair the wiring.
Does replacement of the staple unit cancel the trouble?
3
Staple unit
No
Replace the staple unit.
Dose replacement of the finisher PWB cancel the trouble?
4
Finisher PWB
Yes
End
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