Printhead assembly with an ink cassette having an air filter

Details Printhead assembly with an ink cassette having an air filter Printhead assembly with an ink cassette having an air filter

2008-06-26

2010-06-29

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S065000

Reexamination Certificate

active

07744201

ABSTRACT:
A printhead assembly that includes a chassis and a printhead assembly mounted on the chassis and having printhead integrated circuits each with a plurality of micro-electromechanical nozzle arrangements for ejecting ink. Also included is an ink distribution assembly supporting the integrated circuits, said distribution assembly defining a plurality of converging ink passages in fluid communication with respective ink nozzle arrangements. The assembly also includes an ink cassette defining a number of ink reservoirs operatively arranged in fluid communication with the ink distribution assembly via a number of ink hoses, such that inks from the respective reservoirs are ductable from the reservoirs to respective groups of the nozzle arrangements. The cassette also includes an air filter for filtering air pumped to the nozzle arrangements.

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