Include library:
using System.Drawing.Printing;
PrinterSettings printerSettings = new PrinterSettings();
printerSettings.DefaultPageSettings.PrinterSettings.PrintRange = PrintRange.SomePages;
printerSettings.DefaultPageSettings.PrinterSettings.FromPage = Convert.ToInt32(PrintFromOrignal.Text);
printerSettings.DefaultPageSettings.PrinterSettings.ToPage = Convert.ToInt32(PrintToOrignal.Text);
It's my running code for the same issue that you have right now. Hope it will helpful for you.