Epson LX-810 - Connecting the Printer to Your Computer

REV.-A
2.1.2.1 Sensors
The printer mechanism is equipped with the following sensors:
Paper-End
(PE) Sensor
Home-Position (HP) Sensor
Friction/Tractor Sensor
Paper-End Sensor (PE sensor)
Figures 2-3 and 2-4 show the paper-end sensor. This sensor switch is ON when no paper is in place
(e.g., when the paper supply has run out).
“Paper-out”
~ ON ~ LOW
Paper present
~ OFF + HIGH
~Jq~
Platen
Paper guide
o
/
Paper-End Sensor
‘“Paper-out”
/
c~
Paper
o
/
“Paper present”
Figure 2-3. Paper-End Sensor Mechanism
+5V
&&.
R96
IK
“.. .
~.
,-
7A’
Figure 2-4. Paper-End Sensor Circuit
2-4