PRINTHEAD SYSTEM FOR MODULATING PRINTHEAD PEAK POWER REQUIREMENT USING REDUNDANT NOZZLES

摘要

A printhead system comprising an inkjet printhead and a printer controller for supplying dot data to the printhead is provided. The printhead comprises a plurality of first nozzles and a plurality of second nozzles supplied with a same colored ink. The first nozzles and second nozzles are configured in a plurality of sets, wherein each set of nozzles comprises one first nozzle and one corresponding second nozzle. Each nozzle in a set is configurable by the printer controller to print a dot of the ink onto a substantially same position on a print medium. The printer controller is programmed to supply dot data such that the first nozzles and the second nozzles each contribute dots to a line of printing.