Ink jet printhead having four staggered rows of nozzles

A with multiple working condition online high-density array ink drops generator unit colour a spray ink printing head. Printing of the invention device comprises at least three groups of each other are nozzle (540,550,560) is ink drops generator array. The device of an outer device for high-speed claims a high printing detachable. The other; multiple working modes according the invention claims a setup according to the expectation the printing speed, the detachable and made of the different printing chute. The multiple vertical implementation example, the invention can a high speed of the time through the 1200dpi in printing, twice by the high-grade printing through the 600dpi chute and high a time through the 600dpi in printing. The invention further - comprising for the invention spraying ink printing to end of the high-performance printing method.