NOZZLE ARRAY FOR PRINTING HEAD

摘要

PROBLEM TO BE SOLVED: To provide an improved printing head for an ink jet printer. SOLUTION: In an ink jet printing head assembly for the ink jet printer, respective nozzles are adjacently arranged so as to correspond to heater elements and ink chambers in a relation of 1:1 and a nozzle plate has at least two nozzles with respect to respective printing places. The heater elements corresponding to the respective printing places and the inlet channel of the ink chamber most approaching the ink supply edge of a substrate is turned in a direction going away from the ink supply edge so that a flow channel is positioned between the adjacent ink chambers. COPYRIGHT: (C)2004,JPO