Printhead IC compatible with mutally incompatible print engine controllers

摘要

A printhead IC for an inkjet printer, the inkjet printer having a PEC for sending print data to the printhead IC in accordance with a predetermined data transmission protocol, the printhead IC comprising: an array of nozzles for ejecting drops of printing fluid onto a media substrate; and, drive circuitry for driving the array of nozzles; wherein, the circuitry is configured to receive print data in any one of a plurality of different data transmission protocols.