I am working on A xamarin forms app, where i need to implement bluetooth printing. I am successfully able to print on regular iOS and android devices. but on HiStone(hk316) its not printing as it should be

Below is the code i've used for Printing

using (var ms = new MemoryStream())
                {
                    using (var bw = new BinaryWriter(ms))
                    {
                        bw.Write(e.Initialize());
                        bw.Write(e.PrintLine("                             "));

                        bw.Write(e.CenterAlign());
                        bw.Write(e.SetStyles(PrintStyle.Bold));
                        bw.Write(e.PrintLine(GlobalVariables.Instance.Business.Business.BusinessDisplayName));

                        bw.Write(e.PrintLine(GlobalVariables.Instance.Business.Location.LocationName));

                        bw.Write(e.PrintLine(string.Format("{0}, {1}", GlobalVariables.Instance.Business.Location.Address, GlobalVariables.Instance.Business.Location.Zip)));

                        bw.Write(e.PrintLine("Phone: " + GlobalVariables.Instance.Business.Location.Phone.ToFormattedPhone()));
                        bw.Write(e.SetStyles(PrintStyle.None | PrintStyle.FontB));

                        bw.Write(e.PrintLine(string.Format("Payout#: {0}", cashDrawer.InvoiceNumber)));

                        bw.Write(e.SetStyles(PrintStyle.None | PrintStyle.FontB));
                        bw.Write(e.PrintLine(string.Format("Date: {0}   Clerk: {1}", cashDrawer.Dated.ToString("MM/dd/yyyy"), GlobalVariables.Instance.User.DisplayName)));

                        bw.Write(e.PrintLine(string.Format("Station: {0}   Time: {1}", GlobalVariables.Instance.Business.Register.RegisterName, cashDrawer.Dated.ToString("HH:mm:ss"))));
                        bw.Write(e.PrintLine(""));

                        bw.Write(e.LeftAlign());
                        bw.Write(e.SetStyles(PrintStyle.None | PrintStyle.FontB));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine($"Sig:_______________________"));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine(string.Format("Amount (Cash): {0}", cashDrawer.Amount.ToString("C"))));
                        bw.Write(e.PrintLine(string.Format("Reason : {0}", cashDrawer.Reason)));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine("Witness:____________________"));
                        bw.Write(e.PrintLine(""));
                        bw.Write(e.PrintLine(""));

                        bw.Write(AsciiControlChars.GroupSeparator);
                        bw.Write('V');
                        bw.Write((byte)66);
                        bw.Write((byte)3);

                        bw.Flush();

                        ms.Position = 0;
                        var sr = new StreamReader(ms);
                        var str = sr.ReadToEnd();
                        System.Diagnostics.Debug.WriteLine(str);
                        var bytesToPrint = System.Text.Encoding.ASCII.GetBytes(str).ToArray();
                        if (printerType == PrinterType.Bluetooth)
                        {
                            var res = await DependencyService.Get<IBlueToothService>().ConnectAndPrintAsync(bytesToPrint);
                        }
                        else if (printerType == PrinterType.Network)
                        {
                            DependencyService.Get<IPrintService>().PrintOverNetwork(bytesToPrint);
                        }

                        bw.Finish();
                    }
                }

I have used Shiny plugin for bluetooth connection. Thanks