Read Sharp AR-CF1 (serv.man4) Service Manual online
3-42
CHAPTER 3 SADDLE STITCH UNIT BASIC OPERATION
b.
By delivery sensor
The delivery sensor (PI11S) does not turn OFF within a specific period of time (feeding) after it
has turned ON.
Delivery sensor
Delivery sensor
Normal
Jam
Load stops
Paper folding motor
Paper folding motor
T: Feeding of
Paper length
×
1.5
mm
T: Feeding of
Paper length
×
1.5
mm
Figure 3-608
6.
Power-ON Jam
Any of the No.1 paper sensor (PI18S), No.2 paper sensor (PI19S), No.3 paper sensor (PI20S),
Vertical path paper sensor (PI17S) or delivery sensor (PI11S) on the paper sensor PCB detects paper
at power-ON.
at power-ON.
7.
Door Open Jam
The front door open/closed sensor (PI2S), outlet cover sensor (PI3S), or inlet cover sensor (PI9S)
finds that the respective cover is open during operation.
8.
Stitcher Staple Jam
When the stitcher motor (M7S/M6S) is rotating clockwise, the stitcher home position sensor
(MS7S/MS5S) does not turn ON within 0.5 secs after it has turned OFF. In addition, the sensor turns
ON within 0.5 secs after the motor has been rotated counterclockwise.
ON within 0.5 secs after the motor has been rotated counterclockwise.
9.
Saddle Feeding Delay Jam (by the paper sensor for the paper positioning plate)
The paper sensor for the paper positioning plate is not turned ON at the start of the push (folding)
operation.
Reference:
When all doors are closed after the user has removed the jam, the saddle stitch unit checks
whether the vertical path paper sensor (PI17S) has detected the presence of paper. If the sensor
has detected paper, the unit will identify the condition as being faulty jam removal and send the
jam signal to the host machine once again.
whether the vertical path paper sensor (PI17S) has detected the presence of paper. If the sensor
has detected paper, the unit will identify the condition as being faulty jam removal and send the
jam signal to the host machine once again.
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