Image forming apparatus with automatic regulation in response to

Details Image forming apparatus with automatic regulation in response to Image forming apparatus with automatic regulation in response to

1985-08-16

1987-08-04

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, 355 14E, G03G 1500

Patent

active

046842390

ABSTRACT:
A copying machine in which image forming conditions such as developing bias voltage is automatically regulated in response to the detected image density of the original document and to the sensitivity characteristics of the photosensitive drum, in order to obtain an optimum copy image regardless of the change in the sensitivity of photosensitive drum.

REFERENCES:
patent: 3321307 (1967-05-01), Urbach
patent: 3788739 (1974-01-01), Coriale
patent: 4348099 (1982-09-01), Fantozzi
patent: 4502277 (1985-03-01), Okamoto et al.
patent: 4511240 (1985-04-01), Suzuki et al.

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