The Mapquest Developer Network announced that printing maps (from developer applications) is now free.  According to the post the conditions are as follows:

• You can print up to 5000 copies of a map per run/publication
• The printed map can be up to a maximum of 8.5″ x 11″ inches printed
• It has to be a free publication (flyer, newsletter, etc); you can’t use it in a publication you’re charging for

Read more: New Feature: Printable Maps!