There are two methods for printing Form 4868 Automatic Extension of Time to File U.S. Individual Income Tax Return.
One method is to return to the extension steps, review your entries, and then print a copy of the form. Note. Although the current date is requested in this process the date is not printed on Form 4868.
From the Filing section:
The second method is to go to the Print Center and use the Custom option. This process requires any applicable product fee to have been paid. This menu may not appear on devices with smaller screens.
From Custom:
Note for Online users: If you see a message indicating you have not paid your return fees, click the View/Pay link, which will direct you through the Paper Filing steps. Continue through the screens until you have processed the payment for your product fees and then repeat the steps to print.