Community
This topic was covered here in the past month.
A search should turn up the discussion.
Post back if you can't find it and I'll do the search.
There is also an idea posted and it has been accepted speaking to this very topic.
http://forums.autodesk.com/t5/Inventor-IdeaStation/3D-PDF/idi-p/3738852
If this solved your issue please mark this posting "Accept as Solution".
Or if you like something that was said and it was helpful, Kudos are appreciated. Thanks!!!!