Patent ID: 7794051
Filing Date: 2010-09-14
Classification: B41J

Abstract:
1. A printhead assembly comprising: a casing assembly including an integral support frame and a cover portion, the integral support frame having an outer wall portion and an inner wall portion separated by an internal cavity, and a channel portion provided above the internal cavity; a fluid channel member provided in the channel portion; a plurality of printhead tiles carried on the fluid channel member, each printhead tile having a printhead integrated circuit incorporating printing nozzles; and a plurality of printed circuit board (PCB) support structures removable engaged with the inner wall portion, and extending end-to-end along a longitudinal length of the casing assembly, each PCB support structure adapted to receive thereon a PCB including thereon drive circuitry for driving a plurality of printhead tiles; where the cover portion is configured to engage said integral support frame to enclose the PCB.