How to install your printer:
Press the Windows Key, then type "terminal". Double click on the "Terminal" icon as below:
You will see a window like this pop up:
Copy and paste this line into Terminal:
sudo apt-add-repository ppa:michael-gruz/canon
Copy and paste this line into Terminal:
sudo apt-get update
Now copy and paste this line into Terminal:
sudo apt-get install cnijfilter-ip1800series