High throughput inkjet printer with provision for spot color...

Details High throughput inkjet printer with provision for spot color... High throughput inkjet printer with provision for spot color...

2006-02-28

2006-02-28

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S021000

Reexamination Certificate

active

07004562

ABSTRACT:
An inkjet printer has process color printheads and spot color printheads each comprising a plurality of inkjet nozzles. The printheads are arranged such that the spot color printhead has fewer nozzles allocated for each spot color then the process color printhead has allocated for each process color. For areas requiring spot color printing the printing rate may be reduced or the dot size and/or the dot spacing may be varied for spot colors to enable printing at the same rate as for process colors.

REFERENCES:
patent: 4630076 (1986-12-01), Yoshimura
patent: 5408746 (1995-04-01), Thoman et al.
patent: 5646665 (1997-07-01), Swanson et al.
patent: 5997132 (1999-12-01), Smith et al.
patent: 6234605 (2001-05-01), Hilton
patent: 6299287 (2001-10-01), Williams et al.
patent: 6406138 (2002-06-01), Gore
patent: 6655797 (2003-12-01), Smith et al.
patent: WO9634763 (1996-11-01), None

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