impression VBA

Sub Ajuster_Sur_Une_Page()
    With Sheets("nom_de_ton_onglet").PageSetup
        .LeftHeader = ""
        .CenterHeader = ""
        .RightHeader = ""
        .LeftFooter = ""
        .CenterFooter = ""
        .RightFooter = ""
        .LeftMargin = Application.InchesToPoints(0.787401575)
        .RightMargin = Application.InchesToPoints(0.787401575)
        .TopMargin = Application.InchesToPoints(0.984251969)
        .BottomMargin = Application.InchesToPoints(0.984251969)
        .HeaderMargin = Application.InchesToPoints(0.4921259845)
        .FooterMargin = Application.InchesToPoints(0.4921259845)
        .PrintHeadings = False
        .PrintGridlines = False
        .PrintComments = xlPrintNoComments
        .CenterHorizontally = False
        .CenterVertically = False
        .Orientation = xlPortrait
        .Draft = False
        .PaperSize = xlPaperA4
        .FirstPageNumber = xlAutomatic
        .Order = xlDownThenOver
        .BlackAndWhite = False
        .Zoom = False
        .FitToPagesWide = 1
        .FitToPagesTall = 1
    End With
    ActiveWindow.SelectedSheets.PrintPreview
End Sub