Inkjet printhead assembly with grouped nozzle layout

Details Inkjet printhead assembly with grouped nozzle layout Inkjet printhead assembly with grouped nozzle layout

2005-05-10

2005-05-10

Gordon, Raquel Yvette (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06890059

ABSTRACT:
A pagewidth color printhead assembly includes an ink distribution arrangement. A plurality of printhead chips is mounted on the ink distribution arrangement to span a print medium feed path. Each printhead chip includes a substrate that defines a plurality of ink supply channels. A plurality of ink-ejecting nozzles is arranged on the substrate in fluid communication with the ink supply channels. The nozzles are arranged in groups, with each group of nozzles being in fluid communication with a respective ink supply channel and the groups of nozzles being arranged in at least three rows, each row of nozzles receiving ink of the same color.

REFERENCES:
patent: 5905517 (1999-05-01), Silverbrook
patent: 5909230 (1999-06-01), Choi et al.
patent: 6010254 (2000-01-01), Sanada
patent: 6027205 (2000-02-01), Herbert
patent: 6132028 (2000-10-01), Su et al.
patent: 6239821 (2001-05-01), Silverbrook
patent: 20040119784 (2004-06-01), Silverbrook
patent: 0812689 (1997-12-01), None
patent: 402030543 (1990-01-01), None

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