Ink jet print head and image recording apparatus

Details Ink jet print head and image recording apparatus Ink jet print head and image recording apparatus

1996-04-22

1998-06-30

Wong, Peter S.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 47, 347 40, B41J 2145, B41J 214

Patent

active

057741450

ABSTRACT:
Ink reservoirs are provided in a channel substrate correspondingly to various colors of ink. Two or more dummy nozzles which are not used for performing printing/recording are provided between printing/recording nozzles for jetting ink of different colors. A space wide enough to disposed therein at least two nozzles is provided between the dummy nozzles. Consequently, adjacent and different-color ink is not mixed, and nozzles having unstable operation and disposed near the side walls of the ink reservoirs are not used for performing printing/recording, so that images of high quality can be obtained.

REFERENCES:
patent: 4320046 (1982-03-01), Havens
patent: 4337468 (1982-06-01), Mizuno
patent: 4882595 (1989-11-01), Trueba et al.
patent: 5262802 (1993-11-01), Karita et al.
patent: 5355158 (1994-10-01), Inada et al.
patent: 5493319 (1996-02-01), Hirabayashi et al.
patent: 5627572 (1997-05-01), Harrington, III et al.
patent: 5670996 (1997-09-01), Mitani

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