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

How to Install Canon Scanner on Xubuntu Gnu/Linux Distro

GNU/Linux Xubuntu Canon Scanner Setup – Step-by-step Guide

How to Install Epson Scanner Driver and Get Started Scanning in Xubuntu GNU/Linux desktops – Step by step Tutorials.

And to Install Canon Scanner on Linux it’s enough to Download and Install the Canon Scanner Driver for Linux.

How to Install Epson Scanner Driver and Get Started Scanning in Xubuntu GNU/Linux Distro - Featured

GNU/Linux Xubuntu Canon Scanner Installation Guide