Instructions for Use

Page20 of 21
ITPP047 Thermal Printer Hardware Manual
Version 1.00
4.2. Drive Circuit
The recommended drive unit is shown below.
Figure 4- 2 Circuit Diagram
Reference
2SD 1866 Circuit Configuration
Drive Output:
24 V, Max. 1.0 A
TR1, TR2: Transistor 2SD1866 or
equivalent
R1=10 kΩ
R2=33 kΩ
Figure 4- 3 Circuit Configuration
C