Apparatus for estimating toner usage

Details Apparatus for estimating toner usage Apparatus for estimating toner usage

1992-09-14

1993-04-20

Moses, R. L.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

355208, 355246, G01D 1514, G03G 1506, G03G 1504

Patent

active

052046990

ABSTRACT:
The present invention is an apparatus and method adaptable for use in a printing system, to measure the mass of toner developed on an electrostatic latent image produced therein. The printing system employs an electrostatic process to produce a printed sheet in response to a plurality of image intensity signals. The toner mass measuring apparatus sums a plurality of individual toner mass signals, generated as a function of the image intensity signals, to approximate the toner mass used to develop the electrostatic latent image.

REFERENCES:
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patent: 3960444 (1976-06-01), Gundlach et al.
patent: 4065031 (1977-12-01), Wiggins et al.
patent: 4326646 (1982-04-01), Lavery et al.
patent: 4348099 (1982-09-01), Fantozzi
patent: 4660059 (1987-04-01), O'Brien
patent: 4721978 (1988-01-01), Herley
patent: 4847659 (1989-07-01), Resch, III
patent: 4908666 (1990-03-01), Resch, III
patent: 5057866 (1991-10-01), Hill, Jr. et al.
patent: 5119132 (1992-06-01), Butler
"A Toner Dispening Control System"; Loeb; Xerox Disclosure Journal; vol. 6, No. 6, Nov./Dec. 1981, pp. 319-320.

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