Ink jet printing apparatus and ink jet printing method

Details Ink jet printing apparatus and ink jet printing method Ink jet printing apparatus and ink jet printing method

2008-05-20

2008-05-20

Nguyen, Lam Son (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S012000, C347S042000

Reexamination Certificate

active

07374265

ABSTRACT:
An ink jet printing apparatus and an ink jet printing method are provided which, when printing small ink droplets at high resolution, can make white lines caused by an “end dot deflection” less visually conspicuous. To that end, an ink jet print head used has a plurality of nozzle substrates arranged that an overlapping region in which the printable areas of respective nozzle substrates partly overlap is formed. According to a print density to be achieved, each of the nozzles corresponding to the overlapping region is controlled for ejection
on-ejection of ink. With this method, it is possible to print as many dots as most match the intensity of the “end dot deflection” phenomenon that varies according to the print density. This enables a blank line to be filled with an appropriate number of dots at all times, regardless of the width of the blank line.

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