Since version 1.10 of A Guide to Flight Simulator, you have been able to freely print the guide at a resolution of 150DPI.
To print the guide, you will need to open up the file in your PDF reader and opt to print the document. It will then request a password. The password to print is CONCORDE.
As a reminder, this information can be found on Page 4 of your guide.
If you purchased A Guide to Flight Simulator through Google, you will be unable to print due to DRM restrictions.