Color image forming apparatus having a process cartridge and a c

Details Color image forming apparatus having a process cartridge and a c Color image forming apparatus having a process cartridge and a c

1994-07-26

1996-07-16

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355200, 355326R, 355327, G03G 1501

Patent

active

055371884

ABSTRACT:
An image forming apparatus, such as a copier or a printer reproduces an image on a recording sheet. The apparatus includes: a photoreceptor drum; a latent image writer for forming a latent image of the image on the surface of the photoreceptor drum; black, yellow, magenta, and cyan developers each for developing the latent image with a respective color toner so as to form a respective color developed latent image on the surface; a transferor for transferring the color developed latent images from the surface of the photoreceptor to the recording sheet; a cleaner for cleaning a residual toner on the surface after a transferring operation of the transferor; a color developer cartridge for unitedly supporting the yellow, magenta, and cyan developers; a process cartridge for unitedly supporting the photoreceptor drum, the black developer, and the cleaner; and a coupler for coupling the color developer cartridge and the process cartridge to the apparatus. The color developer cartridge and the process cartridge are detachable from the apparatus and the process cartridge is prevented from being detached from the apparatus until the color developer cartridge is detached from the apparatus.

REFERENCES:
patent: 4878091 (1989-10-01), Morita et al.
patent: 4928144 (1990-05-01), Kasahara et al.
patent: 5036367 (1991-07-01), Haneda et al.
patent: 5083158 (1992-01-01), Kashima et al.
patent: 5107304 (1992-04-01), Haneda et al.
patent: 5119134 (1992-06-01), Haneda et al.
patent: 5287161 (1994-02-01), Matsuo et al.
patent: 5327208 (1994-07-01), Matsuo et al.
Patent Abstracts of Japan, vol. 017, No. 372 (P-1573) Jul. 13, 1993 & JP-A-05 061 313 (Konica Corp.) Mar. 12, 1993.

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