Epson XP-640 Driver Ubuntu Installation Guide
You are Welcome! The Linux Tutorial Shows You Step-by-Step How to Download and Install Epson XP-640 Driver Ubuntu GNU/Linux 32/64-bit Desktop.
And to achieve the Epson XP-640 Ubuntu Installation you need to Setup the Proprietary Driver.
Furthermore, the guides includes also detailed instructions on How to Install Epson XP-640 Printer Utility for Ubuntu.
Finally, using the Epson Printer Utility Software you can check: Ink Levels, View Error and other Status… on EPSON XP-640 Series Printers.