US Patent 7108353 Printhead assembly with floating components

A printhead assembly is provided 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 comprising a casing comprising a support frame removably mounting the at least one printhead module and at least one clamping arrangement clamping the at least one printhead module to the support frame. The clamped printhead module and the at least one clamping arrangement are substantially positionally independent of the casing.