Color image forming apparatus having interchangeable image formi

Details Color image forming apparatus having interchangeable image formi Color image forming apparatus having interchangeable image formi

1991-04-16

1992-09-08

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355210, 355271, 355277, 355298, G03G 1500

Patent

active

051462702

ABSTRACT:
A color image forming apparatus wherein an image retainer and a transfer member are arranged unitarily in a process cartridge, the process cartridge being formed so that it can be inserted into and withdrawn from an apparatus body having a pluralilty of developing devices. The process cartridge has a cleaning device and a transfer member, and the apparatus body has a device for recovering waste toner. The waste toner scraped off from a surface of the image retainer by the cleaning device is recovered into a hollow in the transfer member.

REFERENCES:
patent: 4162843 (1979-07-01), Inoue et al.
patent: 4386838 (1983-06-01), Hirabayashi et al.
patent: 4456363 (1984-06-01), Hirabayashi
patent: 4751552 (1988-06-01), Itoigawa
patent: 4768055 (1988-08-01), Takamatsu et al.
patent: 4864367 (1989-09-01), Nakahara et al.

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