Apparatus for estimating toner usage
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Sep 14, 1992
filing date -
Sep 14, 1992
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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.
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