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

Step-by-step – Printer Epson ET-8500/ET-8550 Installation in Debian

March 5, 2021 | By the+gnu+linux+evangelist.

Setting Up Driver

  1. 2. Installing LSB

    How to Install LSB in Debian Linux

    LSB Debian Setup Guide
  2. 3. Downloading Epson ET-8500/ET-8550 Driver in Debian

    Download Debian Epson GNU/Linux Driver

    Epson ET-8500/ET-8550 Driver .deb
  3. 4. Installing Epson ET-8500/ET-8550 Printer Driver

    Then to Install Epson ET-8500/ET-8550 Driver in Debian
    First, access the Download location by default with:

    cd ~/Downloads

    To Check it’s there List the contents with:

    ls . | grep epson

    The grep Command refine the output List showing only the Entries matching the Keyword.
    But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.
    And then to Set up the Driver run:

    sudo gdebi ./epson*.deb

    If not GDebi then first play:

    sudo apt install gdebi gdebi-core