If the first part of your serial number falls within the serial number catchment below then you are able to purchase an L24 (if you have the iPF670) or L36 (if you have the iPF770) to turn your printer into a fully functioning MFP system!!!!
iPF670 – BACR
iPF770 – BACH
Contact your Canon authorised re-seller for more details
Your serial number is located on the rear of the printer and will be 4 letters (which you need to match to the above) followed by 4 numbers, please see below for reference: