Photocopying – Contact printing – Light boxes
Patent
1988-03-09
1990-01-16
Grimley, Arthur T.
Photocopying
Contact printing
Light boxes
355245, 355326, G03L 1501
Patent
active
048946842
ABSTRACT:
An image forming apparatus includes a main assembly having a developing position, an opening for receiving and delivering developing devices and developing device transportation passage for communicating the developing position and the opening; a developing device accommodating device for accommodating a plurality of the developing devices and for supplying them to the opening; a detecting device for detecting a malfunction of an image forming operation; and a device for transporting the developing device to either the main assembly or the developing device accommodating device in response to detection by the detecting device.
REFERENCES:
patent: 4542979 (1985-09-01), Percic
patent: 4615612 (1986-10-01), Ohno et al.
patent: 4697915 (1987-10-01), Hayashi et al.
Nakajima Hisao
Tanabe Ken
Canon Kabushiki Kaisha
Grimley Arthur T.
Pendegrass J.
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