GNU/Linux Mint Canon PIXMA MG8120/MG8140/MG8150 Printer Setup – QuickStart Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install Canon PIXMA MG8120/MG8140/MG8150 Printer in Mint 18.x/19.x/20.x/21.X LTS GNU/Linux Desktops.
And the Canon PIXMA MG8120/MG8140/MG8150 Driver Mint 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!
Possibly for more insight about How to Manage your Device see: Canon Printers Manuals Online.
Finally, included in the guide you find also instructions to Quick-Start with Canon Scanning on Mint.

Canon PIXMA MG8120/MG8140/MG8150 Printer Linux Mint Installation Guide