Sharp AR-F11 (serv.man8) Service Manual ▷ View online
8-20
CHAPTER 8 TROUBLESHOOTING
Name
Notation
Function
Photointerrupter
PI1S
Detects clock pulses from the paper pushing plate motor
PI2S
Detects the state (open) of the front door
PI3S
Detects the state (open) of the delivery cover
PI4S
Detects clock pulses from the paper folding motor
PI5S
Detects the alignment plates at home position
PI6S
Detects paper on the tray
PI7S
Detects paper positioning plate at home position
PI8S
Detects paper on the paper positioning plate
PI9S
Detects the state (open) of the inlet cover
PI11S
Detects paper in the delivery area
PI12S
Detects the phase of the crescent roller
PI13S
Detects the guide at home position
PI14S
Detects the paper pushing plate at home position
PI15S
Detects the paper pushing plate at top position
PI16S
Detects the state (in) of the stitcher unit
PI17S
Detects paper in the vertical path
PI18S
Detects paper (No. 1; on paper sensor PCB)
PI19S
Detects paper (No. 2; on paper sensor PCB)
PI20S
Detects paper (No. 3; on paper sensor PCB)
PI21S
Detects the paper folding at home position
Table 8-206
8-21
CHAPTER 8 TROUBLESHOOTING
2.
Microswitches
MS2S
MS1S
MS3S
MS4,5S
MS6,7S
Figure 8-207
Name
Notation
Function
Microswitches
MS1S
Detects the state (open) of the inlet door
MS2S
Detects the state (open) of the front door
MS3S
Detects the state (open) of the delivery door
MS4S
Detects the presence of staples (rear)
MS5S
Detects stitching home position (rear)
MS6S
Detects the presence of staples (front)
MS7S
Detects stitching home position (front)
Table 8-207
8-22
CHAPTER 8 TROUBLESHOOTING
3.
Motors
M7S
M8S
M2S
M1S
M4S
M5S
M3S
M6S
Figure 8-208
Name
Notation
Function
Motor
M1S
Feed motor
M2S
Paper folding motor
M3S
Guide motor
M4S
Paper positioning plate motor
M5S
Alignment motor
M6S
Stitcher motor (rear)
M7S
Stitcher motor (front)
M8S
Paper pushing plate motor
Table 8-208
8-23
CHAPTER 8 TROUBLESHOOTING
4.
Solenoids
SL1S
SL2S
SL4S
Figure 8-209
Name
Notation
Function
Solenoid
SL1S
No. 1 paper deflecting plate solenoid
SL2S
No. 2 paper deflecting plate solenoid
SL4S
Feed plate contact solenoid
Table 8-209
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