25
Chapter 2 1 Paper Feed Section
2
S2-Y1540
24V
8
CN2-7
1
2
5V
1
2
3
5V
5V
5
3
4
1
3
1
2
CN4-1
2
1
2
3
Paper sensor
6. Shutter Solenoid
<Operation>
The suction solenoid is turned ON as the level sensor
is turned ON and the paper feed is ready.
Then, the valve opens to suck up the paper.
The valve is closed by the timer after the transferred
paper passes through the PPS2.
<Circuit diagram>
<Circuit diagram>
Shutter solenoid
Red
Yellow
Red
Yellow
Drive PCB unit
7. PPS1
<Operation>
While the light goes through at PPS1, LED on the
control panel lights up in red. “NO PAPER” appears
on the display as the start key is pressed. While the
light is blocked at the PPS1, the start key lights up in
green.
* Wipe off the dirt or contamination, if any, on the
PPS sensor with a rag.
Light not transmitted: 5V
Light transmitted: 0V
Main PCB unit
Emitting
Receiving
Red Red
Orange Orange
Red Red
Gray
Blue
Gray
Blue
-0
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