Star Micronics PR921-24-A Manual de usuario descargar pdf (Pagina 10)

– 7 –

200 ms

Presenter Outlet Presenter Inlet

26 ms

1 s

CCW

OFF

Paper Position

Terminal Shorted and

Motor Stopped

Sensor 3 turns OFF, then, if sensor 2 turns OFF,

it is determined that the paper has been

recovered. Under all other conditions, it is

considered that paper has been pulled out.

DC Motor

Sensor 1

Sensor 2

Sensor 3

(3) Paper Recovery Operation

If the sensor 2 and sensor 3 detection signals are ON after a determined amount of time has passed,

the paper recovery operation is performed.

9 DC motor rotates counterclockwise by the paper recovery instruction.

0 Sensor 3 detects trailing edge of paper and sensor 3 turns OFF.

A Sensor 2 detects trailing edge of paper and sensor 3 turns OFF.

B 1 second after sensor 2 turns OFF, DC motor is braked for 200 ms and stopped.

Note: The distance between sensor 2 and sensor 3 is 7.8 mm. Therefore, the amount of time

required for sensor 2 to turn OFF after sensor 3 turns OFF is 26 ms. It is necessary to

enable detection in that amount of time.

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Star Micronics PR921-24-A Manual de usuario Pagina 10