Star Micronics PR921-24-A - Manual (Page 8)

– 5 –
(1) Paper is discharged and the trailing edge of the paper is stopped in front of the PF roller.
200 ms
Presenter Inlet Presenter Outlet
CW
2
1
4
3
CCW
ON
OFF
ON
OFF
Paper Position
Terminal Shorted and
Motor Stopped
No Discrimination
DC Motor
Sensor 1
Sensor 2
Sensor 3
1 Sensor 1 detects leading edge of paper and sensor 1 turns ON.
2 Sensor 1 turns ON, DC motor starts rotating clockwise.
3 Sensor 2 detects leading edge of paper and sensor 2 turns ON.
4 Sensor 2 turns ON, DC motor is braked for 200 ms and stopped.