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

How to Install Canon TS7440/TS7450/TS7451 Debian Driver – Step-by-step

December 23, 2021 | By the+gnu+linux+evangelist.

Setting up Driver

  1. 2. Installing Dependencies

    Then to Install Required Packages
    First, Update the Apt Repos sources:

    sudo apt update

    If Got “User is Not in Sudoers file” then see: How to Enable sudo
    And then Execute:

    sudo apt-get install cups libxml2 libglade2-0 libpng1* libtiff*
  2. 3. Downloading Driver

    Download Canon TS7440/TS7450/TS7451 Printers Linux Driver

    Canon TS7440/TS7450/TS7451 Linux .deb 32/64-bit

    Select the Linux 32/64-bit OS from Drop-Down
    Then Grab the Packagearchive file!

  3. 4. Extracting Archive

    Extract into the /tmp Directory
    Possibly Double-Click/Right-Click to Open with the Archive Manager:

    Installing Canon TS7440/TS7450/TS7451 Printer Driver on Debian - Extract
  4. 5. Setting up Driver

    Now to Install Canon Printer Driver
    Access the Target location:

    cd /tmp/cnijfilter*

    Run the Installation script:

    sudo ./install.sh

    You could be asked to Connect and Turn On the Printer…
    In case of Installation Issues see this Troubleshooting!
    How to Install Canon PIXMA TS7440/TS7440a/TS7450/TS7450a/TS7450i/TS7451/TS7451a Printer Driver on Debian - Installing
    Now if in the Output you find trace of some Missing Package then try first to execute:

    cd packages

    Then for 64-bit Systems:

    sudo apt install ./*amd64.deb

    And instead for 32-bit:

    sudo apt install ./*i386.deb