No it can't be both Accepted and Ready to Mail. Accepted means you efiled and the IRS Accepted it for processing, so you are done. Ready to Mail mean you haven't filed yet and have to print out and mail your return. If you think you efiled, you can check your efile status here,
https://turbotax.intuit.com/tax-tools/efile-status-lookup
When you efile you get back 2 emails. The first email only confirms the transmission. The second email says if the IRS (or state) Accepted or Rejected your efile.
When you log into your account you should also see the status and if it was Accepted or Rejected, Started, Printed, Ready to Mail, etc. What does it say?
