GNU/Linux Canon GX1020/GX1040/GX1050 Printer Setup Guide
You are Welcome! The linked Tutorial shows you Step-by-Step How to Install Canon MAXIFY GX1020/GX1040/GX1050 Printer in GNU/Linux Desktops.
And Canon GX1020/GX1040/GX1050 Printer Driver Installation is Quick and Easy involving just the execution of a few basic Shell Commands.
Especially relevant: after Installing the Driver to achieve the Setup follow instructions to Add Printer.