You could scan it in as an image (jpeg) and then use a program such as photoshop (or a free equivalent like Irfanview) to insert text on top of the image.
In Irfanview you just drag your mouse over the area where you want the text to appear, then "Edit > Insert text into selection"
Hi There, I Have a 1250 Epson Photo Scanner and on My computer I have an Epson Smart Panel. I put a Document in the scanner, Click on Epson Smart Panel and Select Copy, Size of Paper, Colour or Black & White , How many Copies and Scan The Scanner and the printer do the rest. I hope this will help, Good Luck. ALLIGATOR