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

Step-by-step – Printer Epson ET-4500/ET-4550 Installation in Debian

June 20, 2016 | By the+gnu+linux+evangelist.

Adding Printer

  1. 4. Accessing Debian Settings

    Then Open Debian Settings
    This instruction is valid on GNOME, for the other Spins Search directly for the ‘Printer’ Settings:

    Step-by-step Driver Epson ET-4500/ET-4550 Debian Installation - Open Settings
  2. 5. Installing Epson ET-4500/ET-4550 Printer

    And follow to Add Epson ET-4500/ET-4550 on Debian
    Here below for the GNOME Desktop. For the other Spins eventually See How to Add Printer in GNU/Linux Desktops.

    Step-by-step Driver Epson ET-4500/ET-4550 Debian Installation - Debian Settings Devices

    Click the ‘Add Printer’ Button:

    Step-by-step Driver Epson ET-4500/ET-4550 Debian Installation - Add Printer

    So then Select the Printer that should be Found and Confirm to Add it.
    But if Not Found then Verify the Printer is Connected and Turned On.
    Then Browse to “Install PPD File” Driver.

    How to Find Printer PPD File’s Location on Debian

    GNU/Linux Debian PPD File Location

    Or else Search in the “Printers Driver Database”.
    Finally, the Printer should be Successfully Installed and Working on System!