Two-color point of sale printing

Details Two-color point of sale printing Two-color point of sale printing

2005-03-08

2005-03-08

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06863373

ABSTRACT:
A 2-color ink jet point of sale (POS) printer includes a converter for converting full color printing commands into commands for printing in two colors, a primary color and an alternate color. A three color image is possible when using the background color of the paper as a color. The printer includes a print carriage which contains only two print cartridges. The printer determines a location of the print cartridge relative to a print location of the image to be printed, and when the print cartridges are both on one side of the print location, the print carriages traverses the paper in one direction, printing first with the primary color and then with the alternate color on the same pass. After the paper is advanced in the printer, the print carriage traverses the paper in the other direction, with the alternate color printing before the primary color.

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