Inkjet printer with increased print resolution in the carriage s

Details Inkjet printer with increased print resolution in the carriage s Inkjet printer with increased print resolution in the carriage s

1994-06-23

1997-02-04

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 15, B41J 2145, B41J 2205

Patent

active

056003510

ABSTRACT:
An inkjet printer system fires smaller ink droplets in a single-pass print mode to achieve addressible print resolution of 600 dpi in the carriage scan axis along with 300 dpi resolution in the media advance axis, without having to employ any dot-depletion algorithms. In one embodiment, the system provides a fast print mode which prints the smaller drops of ink on a 300 dpi grid in the carriage scan axis. In another embodiment, the system provides a single-pass color print mode wherein primary colors are printed with two color droplets of the same primary color in two adjacent sub-pixels on the 300.times.600 grid, and secondary colors are printed with two color droplets of different primary colors in two adjacent sub-pixels on the 300.times.600 grid.

REFERENCES:
patent: 3404221 (1968-10-01), Loughren
patent: 5146236 (1992-09-01), Hirata
patent: 5270728 (1993-12-01), Lund et al.

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