Did you try the reset of all prefs for that printer?

http://kb.mozillazine.org/Problems_printing_web_pages#Reset_printer

Thanks Edmeister. I had to reset all the print.printer lines after he mater didn't work, but that did it. Thanks again.

You're welcome.

Please click the Solved It button next to the answer that answered or solved your Firefox support issue, it appears when you are logged in, so this thread gets marked as Solved to help other users who may have this same problem.