c# 小票打印 佳博3120 源码 openport("Gprinter GP-3120TN"); //Open specified printer driver // setup("35", "25", "4", "8", "0", "1", "0"); 　　 //Setup the media size and sensor type info sendcommand("SIZE 30mm,37mm"); clearbuffer(); sendcommand("SET PEEL ON "); sendcommand(" SET TEAR ON "); sendcommand(" SET STRIPPER ON ");