Will also work for ubuntu 18.04

This is a step by step guide for installing Canon PIXMA G3400 Driver on Ubuntu 20.04 32/64-bit, and will allow you to print documents using the local network.

Step 1 – Download the debian here

Step 2 – extract the file in a new folder where you wish to save it

Step 3 – Once inside the folder, right click and choose “Open in Terminal”

Step 4 – Once in the Terminal, install the deb with the using following command:

sudo ./install.sh