Ink reservoir cartridge system

摘要

In a computer-driven ink-jet printer (10), a carriage-borne ink reservoir cartridge system (20) adjacent a print head, having a housing (22) and a movable wall (82) within and in sealing contact with the housing (22), the movable wall (82) being observable, and forming a portion of a variable volume ink chamber (73) within the housing (22), the position of the movable wall (82) being related to the volume of ink contained in the carriage-borne ink reservoir cartridge system (20).