Temperature sensitive print mode selection

Details Temperature sensitive print mode selection Temperature sensitive print mode selection

1995-01-03

1997-03-11

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 17, B41J 2938

Patent

active

056106386

ABSTRACT:
The printing of an image by a thermal ink jet printer is controlled based on an internal temperature of the printer adjacent the printhead and the density of the printed image. Prior to printing, the temperature of the printhead is estimated, and the density of the image is determined from stored print data. Based on the temperature and density, either a single-pass 100% coverage print mode or a double-pass checkerboard print mode is selected. Also based on the temperature and density, the printhead droplet ejection rate is set. Such control provides a printed image with high quality and prevents misfiring of the ink jets when temperatures and density are high.

REFERENCES:
patent: 4653940 (1987-03-01), Katsukawa
patent: 4686538 (1987-08-01), Kouzato
patent: 4748453 (1988-05-01), Lin et al.
patent: 5166699 (1992-11-01), Yano et al.
patent: 5172142 (1992-12-01), Watanabe et al.
patent: 5237344 (1993-08-01), Tasaki et al.
patent: 5300968 (1994-04-01), Hawkins
patent: 5477246 (1995-12-01), Hirabayashi et al.
patent: 5500661 (1996-03-01), Matsubara et al.

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