I have not used this but if it works, you can cancel your transaction (IIRC it is one of the options) and then do it again but don't hit "refresh". Save it as a PDF and print it later.
Otherwise, call on Tuesday, explain what happened and ask them to Mail you a copy. They were doing this if you requested it as of last year anyway.
This is a giant PITA. It took me 1.5 months to get a copy of my e fa 10. I'll never use that shit again. I'll just keep sending the state paper fa 10's. If they reject them, I'll just keep sending them until they finally accept the form.