Filter for printhead assembly

Details Filter for printhead assembly Filter for printhead assembly

2007-03-01

2009-11-10

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S085000

Reexamination Certificate

active

07614733

ABSTRACT:
A method of supplying liquid ink to a printhead assembly including a carrier, a printhead die mounted on the carrier, and a fluid delivery assembly communicated with the carrier includes communicating a fluid manifold of the carrier with the printhead die, communicating the fluid delivery assembly with the fluid manifold of the carrier, and filling the fluid delivery assembly with a quantity of the liquid ink, including purging air from the fluid delivery assembly through a filter, wherein the filter includes a frame having an opening and a fluid passage communicated with the opening formed therein, filter material enclosing the opening and the fluid passage of the frame, first and second fluid ports communicated with the fluid passage, and a permeable material communicated with the first fluid port.

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