Ink jet recording device, and recording head

Details Ink jet recording device, and recording head Ink jet recording device, and recording head

2006-07-11

2006-07-11

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S016000

Reexamination Certificate

active

07073888

ABSTRACT:
An ink jet recording apparatus includes a color ink recording head6having nozzle openings Nc arranged at pitch Pc in a paper feed direction as N×P (N is an integer of four or more being not a prime number) when pitch of dots required for print is P, and a black ink recording head5having m nozzle openings Nb1(m is a divisor of two or more, of N) arranged at pitch Pb1in the paper feed direction as P and nozzle openings Nb2arranged at pitch Pb2in the paper feed direction as {N−(m−1)}P. Paper feed is executed in units of mP and image data is printed by the color ink recording head6and text data is printed by the black ink recording head5at the same time. Accordingly, the text data and the image data existing in the same path can be printed at their respective optimum resolutions.

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