System.Drawing.Printing.PrintDocument doc = new PrintDocument(); doc.PrinterSettings.PrinterName = "NFCP LQ1600K"; int rawKind = 1; for (int i = 0; i <= doc.PrinterSettings.PaperSizes.Count - 1; i++ ) { if (doc.PrinterSettings.PaperSizes[i].PaperName == "Test1") { rawKind = doc.PrinterSettings.PaperSizes[i].RawKind; } } WindowsApplication1.CrystalReport5 rpt = new CrystalReport5(); ReportDocument rptDoc = (ReportDocument)rpt; rptDoc.PrintOptions.PaperSize = (CrystalDecisions.Shared.PaperSize)rawKind; rptDoc.PrintToPrinter(1, true, 0, 0);