C# 发送PJL命令获取打印机状态

IPAddress ip = IPAddress.Parse("192.168.0.10");
            IPEndPoint iport = new IPEndPoint(ip, 9100);//9100为打印机指定端口
            Socket soc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            soc.Connect(iport);

            string cmdLine = "\x1b%-12345X@PJL INFO ID \r\n\x1b%-12345X";//获取打印机id
            //cmdLine = "\x1b%-12345X@PJL INFO STATUS \r\n\x1b%-12345X";//获取打印机状态
            soc.Send(Write(@cmdLine));
            while (true)//定义一个循环接收返回数据
            {
                byte[] data = new byte[1024];
                soc.Receive(data);//接收返回数据
                string stringData = Encoding.UTF8.GetString(data);
                if (!string.IsNullOrWhiteSpace(stringData))
                {
                    MessageBox.Show(stringData);
                    break;
                }
            }
            soc.Close();
            MessageBox.Show("ok");