FarPoint.Web.Spread.SmartPrintRulesCollection rules = new FarPoint.Web.Spread.SmartPrintRulesCollection();
FarPoint.Web.Spread.PrintInfo pi = new FarPoint.Web.Spread.PrintInfo();
FarPoint.Web.Spread.LandscapeRule lr = new FarPoint.Web.Spread.LandscapeRule(FarPoint.Web.Spread.ResetOption.All);
FarPoint.Web.Spread.ScaleRule sr = new FarPoint.Web.Spread.ScaleRule();
FarPoint.Web.Spread.BestFitColumnRule bfcr = new FarPoint.Web.Spread.BestFitColumnRule();
lr.ResetOption = FarPoint.Web.Spread.ResetOption.None;
sr.ResetOption = FarPoint.Web.Spread.ResetOption.None;
sr.StartFactor = 1;
sr.EndFactor = 2;
sr.Interval = 0.5f;
bfcr.ResetOption = FarPoint.Web.Spread.ResetOption.None;
rules.Add(lr);
rules.Add(sr);
rules.Add(bfcr);
pi.SmartPrintRules = rules;
FpSpread1.ActiveSheetView.PrintInfo = pi;