After you file

I know of no reason that would happen.  

I suggest restarting the Mac .

The print function is to print a pdf file.  When printing you should get a print dialog window.  The lower left has a button that says PDF.  Choose to open on preview.  Does that display correctly?
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**