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

How to Add Printer on RHEL-based Distros

GNU/Linux CentOS Adding Printer Guide

How to Add Printer on RHEL-based GNU/Linux desktops – Step by step Tutorials.

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

Especially relevant, this Guide covers the most popular Printer Brands such as: HP, Epson, Canon, Brother, Samsung, Pantum, Kyocera, Konica Minolta, Lexmark, and Fuji Xerox.

How to Add Printer on CentOS GNU/Linux Distro

GNU/Linux RHEL-based Add Printer Setup Guides