<p>Provided is an inkjet printing device that can perform suitable printing even when used over long periods. This inkjet printing device (100) comprises an inkjet head (10) having a nozzle surface (14) on which nozzles are formed, and a cap (21) to which a protective fluid is supplied. The inkjet head (10) is configured from a metal portion (11), and a water repellent layer (12) that is formed on the surface of the metal portion (11) and that forms the nozzle surface (14). The nozzle surface (14) of the inkjet head (10) is maintained in a protective fluid-soaked state in the cap (21).</p>
