Patent ID: 7824010
Filing Date: 2010-11-02
Classification: B41J

Abstract:
1. A pagewidth inkjet printhead comprising: an array of droplet ejectors for ejecting drops of printing fluid onto print media fed passed the printhead in a media feed direction, each drop ejector haying a nozzle and an actuator for ejecting a drop of printing fluid through the nozzle, the actuators being arranged in adjacent rows, each actuator having electrodes spaced from each other in a direction transverse to the rows for connection to respective drive transistors and a power supply, the electrodes of the actuators in adjacent rows having opposing polarities such that the actuators in adjacent rows have opposing current flow directions; wherein, the array has more than 100000 of the droplet ejectors and extends in a direction transverse to the media feed direct between 200 mm and 330 mm.