This driver supports the 860 and 860+ directly. This driver also supports the 1660/e indirectly since both printers have the same size trays and emulations. This driver supports AutoCAD 11 and 12, for DOS and Windows. This driver does NOT support AutoCAD 13. Extract this file in its own directory using the syntax "adi19.exe -d". The file extracts into several directories and without the "-d", files will be overwritten during the extraction process.