Color image forming apparatus with color information detection

Details Color image forming apparatus with color information detection Color image forming apparatus with color information detection

1987-06-26

1989-02-07

Grimley, Arthur T.

Photocopying

Including fiber optics

355 6, G03G 1501

Patent

active

048035165

ABSTRACT:
An image forming apparatus includes an optical system for forming a latent image corresponding to an image of a document placed on a document table and a plurality of developing units for developing the latent image using toners having different colors. An automatic document feeder is arranged on the document table to automatically set the document on the document table. A spot sensor is arranged on the automatic document feeder to detect developing color information representing which color is used to develop the latent image. One of the developing units is selected on the basis of a detection result of the spot sensor.

REFERENCES:
patent: 4494862 (1985-01-01), Tanaka
patent: 4660949 (1987-04-01), Saito et al.
patent: 4690543 (1987-09-01), Watanabe
patent: 4695154 (1987-09-01), Watanabe
patent: 4710016 (1987-12-01), Watanabe
patent: 4711553 (1987-12-01), Watanabe
Research Disclosure, Jul. 1979, No. 183, Elwin, Warren G., "Coding Documents with Adjustable Copier Parameters", p. 389.

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