This has nothing to do with Mac drivers. We are talking drivers and downloads for your Canon printer. Follow this link to the Canon D&D page: https://www.usa.canon.com/internet/portal/us/home/support/drivers-downloads
I had the same problem recently. I deleted the printer on my mac and then pressed the +button to reinstall it. Nothing happend. What finally worked was to go to Canon downloads and support and reinstall the drivers. Then when I hit + the printer ...