You can find official drivers for various operating systems on regional Canon support pages: Official Support Pages : You can access drivers via Canon Europe Canon Hong Kong Operating Systems
: Compatibility varies by version; some newer macOS versions (like macOS 11 and later) may have limitations, such as faxes not being transmittable via USB connection. Canon Europe Installation Steps : Select your operating system on the Canon Support site and download the appropriate (Windows) or (Mac) file. Disconnect : Ensure the FAX-L140 is turned off and disconnected from your computer before starting the installation. : Double-click the downloaded file to extract it, then run
If you cannot get the official driver to work, consider these alternatives:
Drivers are available for macOS, including older versions like OS X 10.11 (El Capitan) up to more recent releases.