HR2800S通讯协议:this HR2800S commu. protocol: Command convertions is combined in it,when programming, can get reference from it. hr2800s is the ink jet printer, communication with PC by rs232 port.-this is HR2800S commu. protocol: Command convertions is combined in it,when programming, can get reference from it. hr2800s is the ink jet printer, communication with PC by rs232 port.