GNU/Linux Ubuntu 24.04 Canon MAXIFY MB5420/MB5440/MB5450 Printer Setup Guide
The linked Tutorial shows you Step-by-Step How to Install Canon MAXIFY MB5420/MB5440/MB5450 Printer in Ubuntu 24.04 Noble LTS GNU/Linux Desktop.
And the Canon MAXIFY MB5420/MB5440/MB5450 Ubuntu Setup it’s quick and easy because it only involves running a few Basic Shell Commands.
Especially relevant: after the Driver Installation to achieve the Printer Setup follow guidance to Add Printer.
Finally, included in the guide you find also instructions to Quick Start with Canon Scanning on Ubuntu.

Canon MAXIFY MB5420/MB5440/MB5450 Printer Ubuntu Installation Guide