If you cannot find MP Navigator EX 2.0, download the “MP Drivers + MP Navigator EX” full driver package. This bundle includes both the printer driver and the scanning utility.

While newer operating systems often have built-in drivers, the dedicated MP Navigator EX software provides critical features like multi-document scanning and image correction that generic drivers lack. Where to Download Canon MP Navigator EX 2.0

Without MP Navigator EX 2.0, your printer will still print (via the basic driver), but the advanced scanning functions and button utilities will be severely limited or non-functional.