GNU/Linux Ubuntu 22.04 Canon MAXIFY GX5020/GX5040/GX5050 Printer Setup Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install Canon MAXIFY GX5020/GX5040/GX5050 Printer in Ubuntu 22.04 Jammy LTS GNU/Linux Desktop.
And the Canon MAXIFY GX5020/GX5040/GX5050 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.

Canon MAXIFY GX5020/GX5040/GX5050 Printer Ubuntu Installation Guide