Color image forming apparatus with black toner control

Details Color image forming apparatus with black toner control Color image forming apparatus with black toner control

1993-01-21

1994-03-08

Moses, R. L.

Photocopying

Contact printing

Light boxes

346157, 358518, 358401, G03G 1501

Patent

active

052932079

ABSTRACT:
In a color image forming machine in which are provided a charger by which an image carrier is charged, an image exposing device by which a latent image corresponding to image data composed of different color data is formed on the image carrier. A plurality of developing devices by which the latent image is developed by different color toners. Different color toner images are repeatedly registered to form a color image. The color image forming machine is further provided with a converting device by which the image data is converted so that an amount of black toner to be used can be increased more than that of other color toners to be used.

REFERENCES:
patent: 5047844 (1991-09-01), Ikeda et al.
patent: 5119187 (1992-06-01), Ikeda et al.

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