Patent ID: 7104629
Filing Date: 2006-09-12
Classification: B41J,H05K

Abstract:
1. A printhead assembly, comprising: at least one printhead module comprising at least two printhead integrated circuits, each of which has nozzles formed therein for delivering printing fluid onto the surface of print media, a support member supporting and carrying the printing fluid for the at least two printhead integrated circuits, and an electrical connector for connecting electrical signals to the at least two printhead integrated circuits; a circuit assembly comprising a plurality of first printed circuit boards arranged in a linearly aligned manner, each first printed circuit board having drive electronics for controlling the printing operation of at least one of the printhead integrated circuits via the electrical connector, a second printed circuit board arranged at one end of the linearly aligned first printed circuit boards for connecting the drive electronics to power and data supplies, and a third printed circuit board having a spring portion arranged at an opposite end of the linearly aligned first printed circuit boards; and a casing comprising a support frame on which the at least one printhead module and the circuit assembly are removably mounted, the second and third printed circuit boards being arranged at the respective longitudinal ends of the support frame.