Installing Epson XP-423 Driver Ubuntu 16.04
The Post Show How-to Download and Install Epson XP-423 Driver Ubuntu 16.04 GNU/Linux.
Furthermore, inside the article you find Link to Guide on Installing the Epson XP-423 Ubuntu Drivers and QuickStart Scanning on Ubuntu Linux.

Epson XP-423 Driver Ubuntu 16.04 Installation
How-to Install Epson XP-423 Driver for Linux Ubuntu:
Download Epson XP-423 Printer/Scanner Drivers for Ubuntu: