Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

1999-04-15

2000-08-15

Lee, Susan S. Y.

Electrophotography

Control of electrophotography process

Control of developing

399 43, 399 53, G06G 1506

Patent

active

061048917

ABSTRACT:
A color image forming apparatus for forming an image through an electrophotographic process, the apparatus having an electrophotographic photosensitive member; charging device for charging the photosensitive member; exposure device for exposing the photosensitive member to light information to form an electrostatic latent image; a color developing device for developing the electrostatic latent image with color toner; a black developing device for developing the electrostatic latent image with black toner; control device for controlling an image forming operation condition to change an image quality; first integrating device for integrating an amount of color image output; second integrating device for integrating an amount of black image output; wherein the control device is responsive to a predetermined output of the first integrating device and to a predetermined output of the second integrating device which is different from the predetermined output of the first integrating device, and wherein the control device controls a condition relating to a color image output on the basis of the predetermined output of the first integrating device, and controls a condition relating to a black image output on the basis of the predetermined output of the second integrating device.

REFERENCES:
patent: 5281981 (1994-01-01), Kajita
patent: 5561500 (1996-10-01), Ohzeki et al.
patent: 5596393 (1997-01-01), Kobayashi et al.

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