imagePROGRAF HDI Driver is a special printer driver compatible with HDI (Heidi Device Interface) of the architecture of CAD software applications, AutoCAD and AutoCAD LT and supplied by Autodesk, Inc. Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.