US Patent 7118192 Printhead assembly with support for print engine controller

A printhead assembly is provided comprising at least one printhead module comprising at least two printhead integrated circuits, a support member for 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, drive electronics incorporating at least one controller which is connected to at least one of the at least two printhead integrated circuits via the electrical connector for controlling the printing operation of at least one of the at least two printhead integrated circuits, and a casing in which the at least one printhead module and the drive electronics are removably mounted. The drive electronics is provided on a printed circuit board which is supported by a support frame of the casing via at least one mounting element.