The 5 digit PIN is not entered on a paper tax return.
Just print a copy of the Form 1040 then sign and date the form on page 2.
To access your current or prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/
Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show. Click on the Year and Click on Download/print return (PDF)
