US Patent 7549727 Printhead system having power and data connectors

A printhead system is provided having at least one printhead module and at least one controller. The printhead module(s) has at least two print nozzle integrated circuits, a support member supporting and carrying the printing fluid for the print nozzle integrated circuits, and a plurality of electrical connectors individually connected to a respective one of the print nozzle integrated circuits. The controller(s) is arranged to control the printing operation of at least one of the print nozzle integrated circuits. Each electrical connector simultaneously connects a power supply to the controller and the controller to the respective print nozzle integrated circuit.