*quick PDF question*

Hello all....for my classes I converted the pages into printed PDF pages so I can have the book as an ebook but when I try to do OCR recognition within PDF it says "Acrobat could not perform recognition (OCR) on this page because: This page has graphics other than images or text on it. It cannot be captured"

To go around this; I want to do a "fake scan" or scan it from the PDF files themselves rather than scan the pages on an actual scanner (since I have the files already on PDF on my computer) so I can then do the OCR text recognition. Does anyone know a way to do this?

Thanks for your help in advance!

I want to have OCR text recognition! It won't let me do OCR text recognition with the current format. I paid for the ebook via the publisher's site but the publisher doesn't have it as PDF (makes you go on the website to view the book) but I want to have a PDF copy of it to work with it offline away from the publisher website (so I can do custom highlighting etc.) on my own copy of the PDF. That is why I want to do a simulation scan so hopefully the error will go away and then I can do OCR text recognition on it.