针对条码打印机的实例程序，针对串口、USB、网络等总线进行控制，采用北洋嵌入式条码打印机-Examples of programs for the bar code printer for serial, USB, networks, and other bus control, using the Northern embedded bar code printers

通过VC++编程实现微型打印机的打印功能，内包含打印机指令(Through VC++ programming to achieve micro printer printing function, including printer instructions)