Printing head of color ink jet printer

Details Printing head of color ink jet printer Printing head of color ink jet printer

1986-04-11

1990-10-23

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2045, B41J 221, B41J 2175

Patent

active

049655957

ABSTRACT:
A specific number of orifices corresponding to the respective ink colors are provided for the printing head of an on-demand color jet printer in which orifices dealing with respective color ink are divided into orifice groups each being provided with a plurality of orifices. The orifices in the orifice groups dealing with respective color inks are designed to allow the supply of color inks through a plurality of ink paths each being independently provided and having a specific length. This configuration allows the entire system to stably execute a printing operation without being affected by the acceleration force applied to the printing head when driving the printing head at an extremely fast speed, which adversely affects the supply of ink to these orifices.

REFERENCES:
patent: 4320406 (1982-03-01), Heinzl
patent: 4460906 (1984-07-01), Kanayama
patent: 4511907 (1985-04-01), Fukuchi
patent: 4516139 (1985-05-01), Takiguchi
patent: 4521788 (1985-06-01), Kimura

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