The Canon MF4600 Series (Fax) Windows driver refers to the software that enables your Canon MF4600 Series multi-function printer (which supports printing, scanning, copying, and faxing) to communicate with your Windows computer. This driver is specifically required for the fax functionality of the printer, although the full suite of drivers usually includes support for all features like printing, scanning, and copying as well.
If you want to enable faxing capabilities, you will need to install the correct driver and possibly additional software provided by Canon to set up and use the fax features. Below is a step-by-step guide on how to download, install, and set up the driver for your Canon MF4600 Series (Fax) printer on a Windows machine.