Changing Font with Generic/Text Printer in C# Windows Application

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C#

C#4.0

I want text printing in C# Windows Application.
For this I installed a Generic/Text Printer.
in C Sharp Code I have written as :

string dwon,dwof;
StreamReader streamToPrint;
Font printFont;
dwon = string.Format("{0}{1}", Convert.ToChar(27), Convert.ToChar(69));
dwof = string.Format("{0}{1}", Convert.ToChar(27), Convert.ToChar(70));
            StreamWriter sw = new StreamWriter(@"G:\TEST.TXT");
            sw.WriteLine(dwon+"Manoj Dua"+dwof);
            sw.WriteLine("Gandhi Colony");
            sw.WriteLine("Muzaffarnagar");
            sw.Close();
            try
            {
                streamToPrint = new StreamReader(@"G:\Test.txt");
                try
                {
                    printFont = new Font("Courier", 10);
                    PrintDocument pd = new PrintDocument();
                    pd.PrintPage += new PrintPageEventHandler
                       (this.pd_PrintPage);
                    pd.Print();
                }
                finally
                {
                    streamToPrint.Close();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

But Manoj Kumar is not printed in bold.

It prints E before Manoj Kumar and F after Manoj Kumar

Where is Mistake, Please tell me.

Please Help