I wish you luck! I have a CanoScan8400F which I have never been able to get working under Linux; and boy have I tried!
I used to bug the heck out of Canon Support trying to shame them into offering Linux support; they would refer me to the SANE Project website or suggest VueScan ( paid -- shareware software)
See here: http://www.hamrick.com/vuescan/canon_9000f.html
I did give VueScan a try over a year ago but was unable to get all the functions that I was used to under Windows XP and with Adobe Photoshop Elements.
I was just too frustrating, and I really need to use the scanner.
I do a lot of photo/slide/negative scanning and maintain a Windows machine almost exclusively for scanning and playing a few games.
If you are able to get a free trial version of VueScan to work; I'd be interested to know how you fare.
I'm rootin' for ya.