Removing gas from a printhead

Details Removing gas from a printhead Removing gas from a printhead

2006-08-29

2006-08-29

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S092000

Reexamination Certificate

active

07097274

ABSTRACT:
A method of removing gas from a printhead is provided. A sealing material may be applied to orifices of a printhead from external the printhead to restrict passage of fluid through the orifices. Ink may be moved through a printhead conduit disposed in fluid communication with the orifices to create an inward suction adjacent the orifices so that the gas is displaced from adjacent the orifices.

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patent: 6450713 (2002-09-01), Parthasarathy et al.
patent: 6467861 (2002-10-01), Thielman et al.
patent: 56075866 (1981-06-01), None
patent: 63224958 (1988-09-01), None

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