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

How to Install Epson ET-2800/ET-2803 Printer/Scanner on Gnu/Linux Distros

GNU/Linux Epson ET-2800/ET-2803 Printer Setup – Step by step Guide

How to Install Epson ET-2800/ET-2803 Series Printer in GNU/Linux desktops – Step by step Tutorials.

And to achieve the Epson ET-2800/ET-2803 Linux Installation you need to Setup the Proprietary Driver.

Moreover, the guides includes also detailed instructions on How to Install Epson Printer Utility for Linux.

Finally, using the Epson Printer Utility Software you can check: Ink Levels, View Error and other Status…

How to Install Epson ET-2800 Printer/Scanner on GNU/Linux Distros

GNU/Linux Install Epson ET-2800/ET-2803 Driver Guides