There is no physical signature on a return that was e-filed. You "signed" it electroncally by entering your AGI or PIN. If someone like a lender or school wants a "signed" copy then print your return, use a pen and sign it in ink on the line next to the words "Sign here" to make them happy.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
