Canon External 2/3 Hole Puncher-B1, Service Manual

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Chapter 2
2-6
F-2-12
2.3 Detecting Jams
2.3.1 Detecting Jams
0023-7080
The finisher unit identifies any of the following conditions as a jam, and sends the jam signal to the host machine. In response, the host machine may stop copying
operation and indicate the presence of a jam on its control panel.
T-2-3
2.4 Power Supply
2.4.1 Power Supply Route
0023-7081
24V power and 5V power are supplied from the finisher controller PCB when the power switch on the host machine is turned ON.
24V power is used for driving motors, while 5V power is used for driving sensors and the ICs on the punch controller PCB.
24V power to the motors is not supplied when either of the two door switches on the puncher unit is open.
F-2-13
2.4.2 Protection Function
0023-7083
The 24V power supplies are equipped with a fuse designed to blow when an overcurrent flows.
Jam type Sensor Jam Condition Code
iR C3100/
3170/2570 iR4570/
3570, 2570/
2270
Feeding
delay LED5,PTR
5 When the rear end sensor (LED, PTR5) does not detect
paper after a prescribed time (distance) has elapsed since
receiving a delivery signal from the host machine. 1002 1012
Feeding
stationary LED5,PTR
5 When paper does not exit the rear end sensor (LED,
PTR5) after feeding for a prescribed time (distance) after
the rear end sensor (LED, PTR5) has detected paper. 1102 1122
Punch PI63 When the punch home position sensor (PI63) does not turn
on after a prescribe time has elapsed since it is turned off. 1644 1644
Power-on LED5,PTR
5 When paper is detected by the rear end sensor (LED,
PTR5) during power on. 1645 1645
Punch motor (M61)
First feed motor (M63)
Trailing edge detection
sensor (LED5, PTR5)
Horizontal registration sensor
(LED1 to 4, PTR1 to 4)
: Motor CW : Motor CCW
Horizontal registration
motor (M62)
Horizontal registration home
position sensor (PI61)
Punch home position
sensor (PI63)
Front door
switch
(MSW62)
24V
5V
Finisher
controller
PCB
24V
5V
5V
Punch controller PCB
Motor system
Sensors
Logic
Upper door
switch
(MSW61)
Motor system
LED PCB
24V
5V