From the TurboTax home screen locate the left panel. Click on Tax Tools, then Print Center.
If you don't see this menu from TurboTax Online, open any section of your return. For example open your W-2 Section as if you were to edit it, and then look again for this menu. See Images below for reference
- Does your Screen look like the one on the bottom? (No left menu panel)

- Open any Section and click on the Pen Icon as if you were going to edit it

- The left menu panel will pop up
