I you are printing a PDF and it does not fit the printer borders, please follow the directions below.
If you’re on a Mac and opening the PDFs using the Preview application, you should see the option to “Scale to Fit” when you open up your print dialogue:
If you’re opening the image with Adobe Reader, you should see similar options, though they will be labeled differently:
To make sure you have the latest version of Adobe Reader, you can download it here: http://get.adobe.com/reader/