IRS Notice 2004-54 permits preparers to use software to print the preparer signature on tax returns. Many states have adopted the same rule. Check with your state's Department of Revenue for details.
To automatically have a preparer/ERO name appear in the Preparer's signature block on tax returns:
Preparer/ERO Manager
If you prepared returns prior to selecting this option, you will have to reenter the preparer/ERO on the return. See Inserting Preparer/ERO Information.