https://www.usa.canon.com/internet/portal/us/home/support/details/scanners/ document-scanner / imageformula - dr - c 225w-ii/ imageformula - dr - c 225w-ii- office - document-scanner ?subtab=downloads-firmware Once the firmware has been updated, you will need to download and install the latest versions of the following files: - TWAIN Driver
There are two possible locations where you can download the software (driver and CaptureOnTouch) for the RS40: Support | Document Scanner | imageFORMULA RS40 Photo and Document Scanner | Canon USA - https://www.usa.canon.com/ Canon USA website: