Canon Scanner Ubuntu 18.10 Setup
Hi! The Tutorial shows you Step-by-Step How to Install Canon ScanGear MP Scanner Driver for Ubuntu 18.10 Cosmic GNU/Linux.
And Included in the Ubuntu Canon Scanner Installation Tutorial you find also detailed instructions to Quick Start with Canon Scanning on Ubuntu 18.10.

Open Terminal/Console Shell emulator window
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.