This is the same issue as far as I know and has also been listed in the Known Bugs List.
The article you have referenced gives a work around:
If an non-Adobe PDF reader is used...
Web search for a PDF reader produced by someone other than Adobe and see if it works for you.
For More Information see: PDF prints as an image
This is one of many acknowledged bugs that can be found in the Known Bug List thread here in the Report an Issue section of the forum.
It can also be downloaded as a database file from: https://www.dropbox.com/s/jt09b82i0xijbu3/FMP%20Bugs.zip
First of all, thank you for your quick response!
Secondly, how complicated is it to roll back to v12.03?
Do you have an installer for 12.03 or earlier? If so, it's matter of uninstalling 12.04 and reinstalling the earlier version and then you would need to run any needed updaters to update say 12.00 to 12.03 if such an updater is either still in your possession or available as a download.
If 12.04 is the original version of FMP 12 that you acquired, then I don't know of a way to roll back to that earlier version though you might call customer support and ask if you can get one from them...