Switch; Sensor; Encoder - Acroprint ES700 Service Manual

7-7. Switch

The switch state is input the port below.
Switch state: L ...... ON, H ...... OFF
PS(P01): Paper Sensor
Detects presence of a card.
Normally "off". When a card is put in, it pushed a sensor lever, it turn a sensor to "on".
PB(P02): Key Top
For manual printing.
Normally "off". When the Key Top is pressed, it turn a switch to "on".
SEL(P60/KR0): SELECT switch
Setting switch.
Normally "off". When a switch is pressed, it turn a switch to "on".
CHG(P61/KR1): CHANGE switch
Setting switch.
Normally "off". When a switch is pressed, it turn a switch to "on".
SET(P62/KR2): SET switch
Setting switch.
Normally "off". When a switch is pressed, it turn a switch to "on".

7-8. Sensor

Set ESN(P53) to "L" to allow the sensor infrared LED to glow and make the sensor state readable.
Sensor state: L ...... light-passing, H ...... shading.
SH(P12/INT2) : Home position sensor
Detects the home position of the Print Head.

7-9. Encoder

Set ESN(P53) to "L" to allow the sensor infrared LED to glow and make the encoder state readable.
Encoder state: L ...... light-passing, H ...... shading.
ENC(P10/INT0) : CR encoder
Detects the revolution of CR motor.
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