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:
General document scanners require the installation of scanner drivers and scanning applications on your computer before use. The DR-S250N has software installed in the scanner itself and is equipped with the CaptureOnTouch Lite Web function, which allows you to scan without installing any applications on your computer or smart device.