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

How to Add Printer on Linux Mint Distro Desktops

GNU/Linux Mint Add Printer Guide

How to Add Printer on GNU/Linux Mint Mate/Cinnamon/Xfce desktops.

And to Successfully Add Printer on Mint desktop you have First, to Download and Install the Printer Driver.

So this Guide includes detailed Instructions about How to Download and Setup Printer in Linux.

Especially Relevant: for HP Printers you may also follow this other Guide.

How to Add Printer on Linux Mint Distro Desktops

GNU/Linux Mint Adding Printer Guide