Have you installed all of the drivers and software EXACTLY according to the instructions?
Are you following the loading procedure correctly. It is essential to position the CD feeder tray to the correct insertion point on the guide otherwise the whole process fails. The white guide triangle on the feeder tray must be aligned beyond the matching indented triangle on the guide - between that and the small semicircular projection. This seems complex but if you are with the machine, you will see how easy it is.