Ink-jet printing head having a plurality of actuator units and a plurality of manifold chambers

摘要: An ink-jet printing head including a cavity unit and an actuator superposed on each other, wherein the has (a) plurality of nozzles open in front surface thereof arranged at least one row, (b) pressure chambers corresponding to nozzles, (c) communication passages for between respective (d) manifold portion storing ink supplied from supply source re-filling chambers, active portions which correspond are selectively operable deliver nozzles. The or actuator, consists divisions length row direction substantially parallel extension