A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
I'm betting this has to do with the page setup and the paper size. It seems that when you use, say, A4 in the page setup in PPT but you print to, say, US Letter sized paper, you need to go to the PPT print dialog and check "fit to page." Then stuff doesn't get cut off.
Try that first, and if it doesn't work then holler back and we'll try other things. (Updating printer drivers, checking High Quality Printing, etc.)