JPM112打印机用户配置软件源程序，可以更改红外通讯方式，蓝牙用户名和密码-User profile JPM112 printer software source code, you can change the way infrared communication, Bluetooth, a user name and password

一份有关蓝牙打印的源码，很好的demo，给大家分享了！-A report on bluetooth printed source, very good demo, to share!