After you file

Are you getting the spinning beach ball or does the print button not turn blue and allow you to print?  Which MAC OS are you using?

A few things you can try

First, the standard.  Make sure you TurboTax program is up to date.  To do this Select TurboTax at the top of the screen then Check for Updates

Second, Restart your computer

Third, Make sure you have the printer selected and not the PDF file or Secure Print

If you are only trying to print certain forms

1. Go to forms mode, 
2. Select the form you want to print
3. Select File
4. Print Active Form