The wear parts are all accessible from the front. Replacement is done by the Customer in a quarter hour Replace the Pressure Pump with only a 3mm Allen Key Replace the Ink Filters with only a 3mm Allen Key Replace the Recuperation Module with only a 3mm Allen Key Replace the Air filters Replace the Air filter Additional part accessible from the front door The Ink Manifold is replaced in less than an hour.The discrete components on this module are replaceable.