I have just got the printer/scanner. It was automatically detected, but no printer driver was found in the driver database for this particular model. Searching turned up the following .deb - can I trust a driver from this site?
I recommend to install the original Canon Drivers. I've got a Canon Pixma MP630 and it works without problems.
For the Canon driver I've had a little bit struggle and had to edit something. I don't know if this is necessary for your driver, too, but maybe this post could help you then.
I recently installed kubuntu 12.04 . I have a Canon MG2150. The printer application installs without a problem the printer (general driver canon mg2100 series). However, the scanner is another story, I downloaded ScanGear 1.8 - Linux version (deb) from the Canon webpage and installed it, then when i use GIMP, and click to "Create" appears now within the options Scangear, and from there it controls your scanner pretty much ok... I still have 30 GB with a windows 7 partition, windows office 2007 and no internet, to run some work or other programs when i have compatibility issues, but i hardly use it. Of course in windows i have too the original printer drivers. I´ve tried a lot of things but the above mentioned is the one that has worked for me...Now i dont have to go to windows to use my scanner. Hope this helps...