Star TSP1000 Série Mode D'emploi page 153

Drive circuit
The recommended drive unit is shown below.
[ Drive Circuit ]
6 1
6-P Modular jack
connector
Reference
2SD1866 Circuit Configuration
B
R3
R3=3.5K
R4=300
Note:
1) Pin 1 must be shield drain wire connected to buzzer device frame ground.
2) For continuous driving, Maximum drive output is 0.1A.
3) Absolute maximum ratings for diodes D1 (Ta = 25°C) is:
Average Rectified Current Io = 1A
4) Absolute maximum rating for transistors 2SD1866 (Ta = 25°C) is:
Collector current Ic = 2A
F.G
2SD1866
7824
+24V
M-GND
Printer side
C
R4
E
– 150 –
1
2
D1
3
4
User side
Buzzer
Drive Output: 24V, Max. 1.0A