POS Printing from DataGridView in C# VS 2013

private PrintDocument printDocument1 = new PrintDocument();

public Form1()
{
    InitializeComponents();
    printDocument1.PrintPage += new PrintPageEventHandler(printDocument1_PrintPage);
    this.Controls.Add(printButton);
    CaptureScreen();
    printDocument1.Print();
}


Bitmap memoryImage;

private void CaptureScreen()
{
    Graphics myGraphics = this.CreateGraphics();
    Size s = this.Size;
    memoryImage = new Bitmap(s.Width, s.Height, myGraphics);
    Graphics memoryGraphics = Graphics.FromImage(memoryImage);
    memoryGraphics.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, s);
}

private void printDocument1_PrintPage(System.Object sender,
       System.Drawing.Printing.PrintPageEventArgs e)
{
    e.Graphics.DrawImage(memoryImage, 0, 0);
}