Ink jet print station with improved start up and a method...

Details Ink jet print station with improved start up and a method... Ink jet print station with improved start up and a method...

2007-03-27

2007-03-27

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000, C347S030000, C347S035000, C347S085000

Reexamination Certificate

active

10839619

ABSTRACT:
An ink jet print station with improved start-up reliability includes an ink reservoir and a printhead. The printhead has at least two drop generators, a return line connected to the generator's fluid ports, an orifice plate connected to the drop generator for forming jets, at least two filters, a controller for operating the valves to control flow, and an ink pump. The ink pump is adapted to move ink from the reservoir to the printhead. Upon startup, fluid is applied independently to the first filter and then the second filter. A method for at least partially filling filters in an ink jet uses the ink jet print station with improved start up reliability.

REFERENCES:
patent: 4318114 (1982-03-01), Huliba
patent: 5980034 (1999-11-01), Tsai et al.
patent: 6174052 (2001-01-01), Eremity et al.
patent: 2002/0036672 (2002-03-01), Courtney et al.
patent: 2002/0071010 (2002-06-01), Tachibana et al.
patent: 2003/0156168 (2003-08-01), Enz
patent: 1403061 (2004-03-01), None
patent: 11179932 (1999-07-01), None

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