Image-forming apparatus featuring a plurality of image forming m

Details Image-forming apparatus featuring a plurality of image forming m Image-forming apparatus featuring a plurality of image forming m

1997-04-21

1998-08-18

Royer, William J.

Electrophotography

Image formation

Combined or plural functions by single component

399231, 430109, 430111, G03G 1501, G03G 1530

Patent

active

057970700

ABSTRACT:
An image forming apparatus includes at least a first image-forming unit provided with a first latent image-holding member, a first latent image-forming device, a first developing device for developing a first latent image with a first toner to form a first toner image, and a first image-transfer device for transferring the first toner image to an image-receiving member, and a second image-forming unit provided with a second latent image-holding member, a second latent image-forming device, a second developing device for developing a second latent image with a second toner to form a second toner image, and a second image-transfer device for transferring the second toner image to the image-receiving member holding the first toner image. The second developing device also serves as a cleaning device for recovering the toner remaining on the second latent image-holding member after the transfer to perform cleaning. The second latent image-holding member has a surface having a contact angle for water of not less than 85.degree..

REFERENCES:
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patent: 5323185 (1994-06-01), Nagato et al.
patent: 5324609 (1994-06-01), Yagi et al.
patent: 5363178 (1994-11-01), Matsumoto
European Search Report dated Feb. 23, 1996.

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