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

8-40
CHAPTER 8   TROUBLESHOOTING
21. Faulty second feed motor (related to MS3)
Checks
Check the safety range
switch. Is the switch
normal?
Is the safety range detection
switch passed correctly?
Check the shutter closed
detection switch. Is the
switch normal?
Is the shutter closed
detection switch pressed
correctly?
Cause
Safety range switch
(MS3)
Shutter closed detection
switch (MS4)
Finisher controller PCB
Step
1
2
3
4
Yes/No
No
No
No
No
Yes
Action
Replace the switch.
Correct mechanical
operation.
Replace the switch.
Correct the
mechanism.
Replace the finisher
controller PCB.
8-41
CHAPTER 8   TROUBLESHOOTING
B.
Saddle Stitch Unit
1.
Faulty paper positioning plate
2.
Faulty paper folding motor
Checks
Check the paper positioning
plate home position sensor.
Is the sensor normal?
Do the paper positioning
plates operate at a specific
timing?
Replace the paper
positioning plate motor. Is
the problem corrected?
Cause
Paper positioning plate
home position sensor
(PI7S)
Saddle stitch controller
PCB
Paper positioning plate
motor (M4S)
Saddle stitch controller
PCB
Step
1
2
3
Yes/No
No
Yes
No
Yes
No
Action
Replace the sensor.
Replace the saddle
stitcher controller
PCB.
Check the
positioning plate
drive mechanism. If a
fault is found, correct
it. Otherwise, go to
step 3.
End.
Replace the saddle
stitch controller PCB.
Checks
Check the paper folding
motor clock sensor. Is the
sensor normal?
Check the paper folding
home position sensor. Is the
sensor normal?
Does the paper folding
motor operate at a specific
timing?
Replace the paper folding
motor. Is the problem
corrected?
Cause
Paper folding motor
clock sensor (PI4S)
Paper folding home
position sensor (PI21S)
Saddle stitch controller
PCB
Paper folding motor
(M2S)
Saddle stitch controller
PCB
Step
1
2
3
4
Yes/No
No
No
Yes
No
Yes
No
Action
Replace the sensor.
Replace the sensor.
Replace the saddle
stitch controller PCB.
Check the paper
folding roller drive
mechanism. If a fault
is found, correct it.
Otherwise, go to step
4.
End.
Replace the saddle
stitch controller PCB.
8-42
CHAPTER 8   TROUBLESHOOTING
3.
Faulty guide motor
4.
Faulty alignment motor
Checks
Check the guide home
position sensor. Is the sensor
normal?
Does the guide motor
operate at a specific timing?
Replace the guide motor. Is
the problem corrected?
Cause
Guide home position
sensor (PI13S)
Saddle stitch controller
PCB
Guide motor (M3S)
Saddle stitch controller
PCB
Step
1
2
3
Yes/No
No
Yes
No
Yes
No
Action
Replace the sensor.
Replace the saddle
stitch controller PCB.
Check the guide plate
drive mechanism. If a
fault is found, correct
it. Otherwise, go to
step 3.
End.
Replace the saddle
stitch controller PCB.
Checks
Check the alignment plate
home position sensor. Is the
sensor normal?
Does the alignment motor
operate at a specific timing?
Replace the alignment
motor. Is the problem
corrected?
Cause
Alignment plate home
position sensor (PI5S)
Saddle stitch controller
PCB
Alignment motor
(M5S)
Saddle stitch controller
PCB
Step
1
2
3
Yes/No
No
Yes
No
Yes
Action
Replace the sensor.
Replace the saddle
stitch controller PCB.
Check the alignment
plate drive
mechanism. If a fault
is found, correct it.
Otherwise, go to step
3.
End.
Replace the saddle
stitch controller PCB.
8-43
CHAPTER 8   TROUBLESHOOTING
5.
Faulty stitcher
6.
Faulty paper pushing plate motor (related to PI14S)
Checks
Are the front and rear
stitchers and bases installed
correctly?
Is the stitching home position
switch of the front and the rear
stitchers normal?
Do the front and the rear
stitchers operate at a specific
timing?
Cause
Stitcher (installation)
Stitching home position
switch (MS7S/MS5S)
Saddle stitch controller
PCB
Stitcher motor (M7S/
M6S)
Step
1
2
3
Yes/No
No
No
Yes
No
Action
Install them correctly.
Replace the front or
rear stitcher.
Check the wiring
between the stitcher and
the saddle stitch
controller PCB. If
normal, replace the
controller PCB.
Replace the front or
the rear stitcher.
Checks
Check the paper pushing
plate home position sensor.
Is the sensor normal?
Check the paper pushing
plate top position sensor. Is
the sensor normal?
Does the paper pushing
plate motor operate at a
specific timing?
Replace the paper pushing
plate motor. Is the problem
corrected?
Cause
Paper pushing plate
home position sensor
(PI14S)
Paper pushing top
position sensor (PI15S)
Saddle stitch controller
PCB
Paper pushing plate
motor (M8S)
Saddle stitch controller
PCB
Step
1
2
3
4
Yes/No
No
No
Yes
No
Yes
No
Action
Replace the sensor.
Replace the sensor.
Replace the saddle stitch
controller PCB
Check the paper
pushing plate drive
mechanisms. If a
fault is found, correct
it. Otherwise, go to
step 3.
End.
Replace the saddle
stitch controller PCB.
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