GNU/Linux Ubuntu 18.04 Canon MP140/MP145 Printer Setup Guide
You are Welcome! The Tutorial shows you Step-by-Step How to Install Canon PIXMA MP140/MP145 Series Printer in Ubuntu 18.04 Bionic LTS GNU/Linux Desktop.
And the Canon PIXMA MP140/MP145 Printer Setup on Ubuntu 18.04 is granted by the GutenPrint Software because the Proprietary Driver is not available.
Moreover, Gutenprint is a suite of Printer Drivers for UNIX, Linux, and Mac OS X systems that use CUPS as their printing system.
Gutenprint currently Supports over 2600 printers.
Especially relevant: after Installing the Driver to achieve the Setup follow instructions to Add Canon Printer.
1. Installing Printer Driver
How to Install GutenPrint Printer Drivers Suite on UbuntuEasy Ubuntu GutenPrint Driver Setup Guide