Image forming apparatus and process cartridge detachably mountab

Details Image forming apparatus and process cartridge detachably mountab Image forming apparatus and process cartridge detachably mountab

1995-03-13

1996-05-28

Barlow, Jr., John E.

Photocopying

Contact printing

Light boxes

355210, 355246, G03G 1501

Patent

active

055216935

ABSTRACT:
A process cartridge detachably mountable to an image forming apparatus includes an image bearing member; a plurality of developing devices for supplying a developer to the image bearing member, the developing devices each having a first electric contact; a second electric contact for establishing electric connection with the apparatus when the cartridge is mounted in the image forming apparatus; and a selector for selecting one of the first electric contacts, the selector being effective to electrically connecting the selected first electric contact and the second contact.

REFERENCES:
patent: 4835569 (1989-05-01), Oka
patent: 4924806 (1990-05-01), Mizuno et al.
patent: 5030988 (1991-07-01), Haneda et al.
patent: 5235383 (1993-08-01), Tada et al.
Bogart, Jr, Electronic Devices and Circuits, 1986, pp. 121-122 and 308-309.

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