Make sure you select Take me to my return after you sign in or else the Print Center will not appear in the drop down menu in My Account.
How To Print Your Tax Return In Turbotax:
• Sign into Turbotax and open your tax return
• Click “Take me to my return”
• Select “My Account” at the top right of your screen
• Select “Print Center” from the dropdown menu
• Select “Print, save or preview this year's return”