$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

Printer Epson XP-640 Installation on CentOS – Step-by-step

February 28, 2022 | By the+gnu+linux+evangelist.

Installing Driver

    3. Installing Epson XP-640 Driver

    Next follow with CentOS Epson XP-640 Driver Installation
    Click on “Install”:

    Driver Epson XP-640 CentOS How to Download and Install - Start Installation

    Then Authenticate with your Admin Password to Start the Installation process:

    Driver Epson XP-640 CentOS How to Download and Install - Authentication

    In a Short Time the Software should be Successfully Installed!
    Or if you prefer from Terminal execute:

    sudo dnf ~/Download/epson*.rpm

    For CentOS 7 instead:

    sudo yum ~/Download/epson*.rpm

    And if downloaded with Firefox it may be inside to the /tmp/[youruser]* Folder…