Ink jet recording method and apparatus

Details Ink jet recording method and apparatus Ink jet recording method and apparatus

1993-03-30

1997-05-27

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 9, 347 12, 358298, B41J 2938

Patent

active

056336632

ABSTRACT:
A plurality of recording heads for ejecting inks of different colors are reciprocally moved relative to a recording medium, and printing operations are performed by executing main scans in forward and backward scans of the recording heads. In this case, an area printable in a single main scan is recorded by performing a plurality of main scans using a plurality of thinning patterns in which an m.times.n pixel group is defined as a unit pixel group, and the pixel groups are arranged at non-neighboring positions, and which have a complementary arrangement relationship therebetween. A high-quality color image free from time difference nonuniformity, and density nonuniformity caused by, e.g., variations of recording elements is obtained at high speed.

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