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

How to Install Canon I-SENSYS MF3220/MF3228 Ubuntu 19.04 Driver Easy Guide

June 3, 2019 | By the+gnu+linux+evangelist.

Downloading

  1. Then Update Ubuntu Repo Sources.

    sudo apt update
  2. Download Canon I-SENSYS MF3220/MF3228 Ubuntu Drivers

    Canon I-SENSYS MF3220/MF3228 Deb 32/64-bit Driver

    Search for your Canon i-SENSYS Printer Model.
    When available get the CQue Driver elsewhere the UFRII one.
    In case of a LBP Printer you may need instead see the: CAPT Driver Setup Guide.

  3. If Needed Double-Click & Open with Archive Manager
    Then Extract into the /tmp directory:

    How to Install Canon i-SENSYS MF3220/MF3228 Ubuntu 19.04 Driver - File Manager