How to F/W update. 1) Connect PC and printer with USB cable. 2) Turn on the power of printer.(Ready Status) 3) Drag the f/w file and Drop down on the usbprn2.exe. And then f/w update will be started automatically. 4) Please wait until

自动打码打印宏，经常处理公文的同志会用到，在左上角打印文件码w shared by 中共永城市委办公室-shared by YongCheng Municipal Office of CPC