Electrophotographic image forming apparatus having replaceable o

Details Electrophotographic image forming apparatus having replaceable o Electrophotographic image forming apparatus having replaceable o

1988-06-30

1990-03-27

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Image reproduction system

355200, 355210, 355211, H04N 100

Patent

active

049125630

ABSTRACT:
An image forming apparatus forms an image described by an input image information on a recording sheet by electrophotography. An optical unit of the image forming apparatus is replaceable while maintaining an accurate positional relationship with a photosensitive unit when the optical unit is set in the image forming apparatus. The optical unit is automatically and accurately positioned three-dimensionally with respect to the photosensitive unit when the optical unit is set in the image forming apparatus.

REFERENCES:
patent: 4236807 (1980-12-01), Kuehnle
patent: 4327992 (1982-05-01), Babicz
patent: 4511237 (1985-04-01), Kawata
patent: 4598993 (1986-07-01), Mizutani
patent: 4668072 (1987-05-01), Yasuda
patent: 4692018 (1987-09-01), Tamura
patent: 4708455 (1987-11-01), Kubota
patent: 4757344 (1988-07-01), Idenawa

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