Canon MF216n Print driver for Big Sur

The built-in Apple AirPrint driver supports this device when it is networked (wired/wireless).

With the device networked and powered, visit System Preferences > Printers & Scanners and control-click on the device entry in Printers. Choose Reset printing system… and re-add the device specifying AirPrint and not any Canon drivers.

Yes it is listed as an AirPrint Printer as described by VikingOSX.

You can also go to Canons Support page for your printer/ scanner,

https://www.canon.co.uk/support/consumer_products/products/fax__multifunctionals/laser/laserbase_mf_series/i-sensys_mf216n.html?type=drivers&language=en&os=macos%2011%20(big%20sur) Make sure the operating selector is set to macOS 11 (Big Sur)

Download and install any drivers or software you think suitable.