Hi Federico welcome to the forum.
You can use LL.Core.LlSetPrinterInPrinterFile() to set all printerconfigurations.
e.g. something like that
PrinterSettings printerSettings = new PrinterSettings();
PageSettings pageSettings = new PageSettings(printerSettings)
{
Landscape = true
};
foreach (PaperSize paperSize in printerSettings.PaperSizes)
{
if (paperSize.Kind == PaperKind.A4)
{
pageSettings.PaperSize = paperSize;
break;
}
}
LL.Core.LlSetPrinterInPrinterFile("yourlist.lst", printerSettings);
You also can use the DOM to modify the regions in the project (but only for size , printername and orientation, further devmode configs must be set with LlSetPrinterInPrinterFile methode)
DOM Docu
here a link with DOM set printer description
if you need help with dom just ask