Printhead assembly suitable for redirecting ejected ink...

Details Printhead assembly suitable for redirecting ejected ink... Printhead assembly suitable for redirecting ejected ink...

2006-02-21

2008-08-26

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000

Reexamination Certificate

active

07416283

ABSTRACT:
A printhead assembly suitable for redirecting ejected ink droplets is provided. The printhead assembly comprises: a printhead including a plurality of nozzles for ejecting ink droplets onto a print medium, the plurality of nozzles being formed on an ink ejection surface of the printhead; and a nozzle guard positioned over the ink ejection surface, the nozzle guard having a corresponding plurality of channels therethrough, the channels being aligned with the nozzles such that ejected ink droplets pass through respective channels towards the print medium. The channels have hydrophobic sidewalls, such that ejected ink droplets can rebound and be redirected.

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patent: 10337874 (1998-12-01), None

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