While they appear to have your driver, it is only for Windows, and not for Macintosh. Maybe you just need to keep Goolging until you find it. I checked this page on one of Canon's European sites, and I could not find it there either.
While I was not able to find it on Canon's USA site, you might be able to find the driver you need on a foreign Canon website. Double-click the downloaded EXE file to decompress it, then installation will start automatically. But if they have deprecated a certain model - as occurred with me a while back - and if Apple does not include the required driver in their packages, then there isn't much you can do about it. For the location where the file is saved, check the computer settings. Sometimes the manufacturer of the printer will have updated drivers which will keep your printer/scanner working. Click Drivers & Downloads If your operating system is not automatically detected, select it from the drop down menu. This breaking of printers and scanners is a common occurrence with macOS updates. So it sounds like if the driver has not been included in Apple's 'Apple Canon Printer Drivers 3.4.dmg' package, you may not be able to use your printer with Mojave. The driver may be included in your OS or you may not need a driver.' 'There is no driver for the OS Version you selected. In the drivers section of the page for the Canon PIXMA MX432, it states the following: I went to this page on the Canon website.
