Ink jet recording apparatus and control method thereof

Details Ink jet recording apparatus and control method thereof Ink jet recording apparatus and control method thereof

1997-08-26

2000-03-21

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 14, 347 5, B41J 2145, B41J 215, B41J 2938

Patent

active

060394331

ABSTRACT:
An ink jet recording apparatus includes a printhead that ejects black ink drops and colored ink drops through a plurality of corresponding ink nozzles in accordance with print data. The printhead ejects ink drops when the printhead is moved to scan a recording medium in a forward direction and a reverse direction opposite to the forward direction. The forward and reverse directions are perpendicular to a direction in which the recording medium travels. A print data identifier separates the print data for a line into black print data and color print data. A print data selector supplies one of the black print data and color print data to the printhead when the printhead scans the recording medium in the forward direction, and the other of the black print data and color print data to the printhead when the printhead scans the recording medium in the reverse direction.

REFERENCES:
patent: 5079571 (1992-01-01), Eriksen
patent: 5220342 (1993-06-01), Moriyama
patent: 5455610 (1995-10-01), Harrington
patent: 5512923 (1996-04-01), Bauman et al.
patent: 5600353 (1997-02-01), Hichman et al.
patent: 5602579 (1997-02-01), Ambalavanar et al.
patent: 5777634 (1998-07-01), Okamura et al.

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