There are two types of Register By Mail forms. The Online Form can be completed and printed to be mailed with a check or money order. The Download Form can be printed and then be completed to be mailed with a check or money order. If you are unable to print the Online Form then try the Download Form. To view the Download Form .pdf file you may need to download the free Adobe Acrobat® Reader®
http://www.adobe.com/products/acrobat/readstep2.html