Method and apparatus for color image formation with gradation co

Details Method and apparatus for color image formation with gradation co Method and apparatus for color image formation with gradation co

1995-04-24

1997-12-09

Lee, S.

Electrophotography

Control of electrophotography process

Of plural processes

347115, 358518, 358519, G03G 1500

Patent

active

056970129

ABSTRACT:
A color image forming method and apparatus in which toner patterns, formed by toners of different colors, on an image bearing member, can be detected by a single sensor. Near-infrared light is emitted from an LED at each formation of a single-colored pattern on the photosensitive drum and the amount of near-infrared light reflected from the drum is detected by the sensor, for the purpose of effecting gradation control.

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patent: 5204538 (1993-04-01), Genovese

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