Patent Number: 7,819,502

Title: Liquid ejection head and image forming apparatus

Abstract: The liquid ejection head includes: a plurality of pressure chambers into which liquid is filled; a plurality of nozzles which are connected to the pressure chambers; a common flow channel which supplies the liquid to the pressure chambers; a plurality of liquid ejection devices which cause the liquid inside the pressure chambers to be ejected through the nozzles; a selector circuit which selects one of the liquid ejection devices to be a destination of a drive signal; a first wiring substrate which transmits the drive signal outputted from the selector circuit to be applied to the one of the liquid ejection devices; and a second wiring substrate which transmits the drive signal to be inputted to the selector circuit, wherein the first wiring substrate is connected to a first face of a member constituting the selector circuit, and the second wiring substrate is connected to a second face of the member constituting the selector circuit, the first and second faces being different to each other.

Inventors: Enomoto; Katsumi (Kanagawa-ken, JP), Murata; Michiaki (Ebina, JP), Maeda; Yasuhiko (Kanagawa-ken, JP)

Assignee: Fujifilm Corporation

International Classification: B41J 2/14 (20060101); B41J 2/16 (20060101)

Expiration Date: 2018-10-26 0:00:00