Multi-chamber ink jet recording head for color use

Details Multi-chamber ink jet recording head for color use Multi-chamber ink jet recording head for color use

1987-09-17

1989-03-14

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

048128597

ABSTRACT:
A multichamber ink jet pen has a printhead comprising a plurality of nozzle groups corresponding in number to the number of chambers. The nozzle groups are respectively in communication with the individual chambers for receiving ink. The multi-color ink jet pen is retrofittable in a single color printer to provide multicolor printing capability. The nozzles in the nozzle groups are formatted to correspond to the nozzle format in the printhead of the single color ink jet pen, including the same nozzle spacing, to take advantage of the single color printer control for that nozzle format. The nozzle groups each duplicate a different longitudinal segment of the single color nozzle column pattern. The nozzle groups are staggered in the scan direction and the end nozzles in the respective groups have the same longitudinal spacing therebetween as the nozzles in the nozzle columns to duplicate the nozzle spacing of the single color nozzle column pattern within and between the nozzle groups of the multi-color recording head.

REFERENCES:
patent: 4300144 (1981-11-01), Isayama
patent: 4320406 (1982-03-01), Heinzl
patent: 4564846 (1986-01-01), Siegal
patent: 4593296 (1986-06-01), Dagna
patent: 4611219 (1986-09-01), Sugitani
patent: 4665409 (1987-05-01), Behrens
patent: 4683481 (1987-07-01), Johnson
patent: 4728968 (1988-03-01), Hillmann
patent: 4734717 (1988-03-01), Rayfield
Hewlett-Packard Journal, May 1985, vol. 36, No. 5.

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