Caysn KP80, User Manual, Page: 21 / 24

Thermal Label printer User’s manual
1
）
Pin definition
Pin Number Signal name Typical wire color
1 VBUS Red
2 D- White
3 D+ Green
4 GND Black
5.2 Power interface pin definition
（
MPC-3-001B
）
1
）
Pin definition
Pin number Signal name
1 +12V
2 GND
3 GND
2
）
Interface type: DC-005 Power socket.
5.3 Serial port pin definition
（
DB9F
）
Printer serial port is compatible with RS-232, the interface socket is DB9 female socket.
User can check interface setting status via printing setting self-test page. Printer default serial interface is set as:
baud rate 19200bps, 8 bit data bits, no parity,1 bit stop bit, and the handshakes method is DTR/DSR
。
Pin number Definition
1 CD
2 TD
3 RD
4 DSR
5 GND
6 DTR
7 CTS
8 RTS
9 RI