System for reducing a surface potential of an image bearing memb

Details System for reducing a surface potential of an image bearing memb System for reducing a surface potential of an image bearing memb

1993-09-02

1995-03-28

Royer, William J.

Photocopying

Contact printing

Light boxes

355219, G03G 1516

Patent

active

054022185

ABSTRACT:
An image forming apparatus includes an image bearing member, a latent image forming device for forming a latent image having a high potential portion and a low potential portion before a toner image is formed on the image bearing member, a transfer material bearing member for bearing and for conveying a transfer material to a transfer station where the toner image on the image bearing member is transferred onto the transfer material, and a potential applying device for applying a predetermined potential which is lower than the potential of the high potential portion of a predetermined area of the image bearing member. According to the invention, when a portion of the transfer material bearing member is in the transfer station before transfer of the toner image has begun, a portion of the predetermined area is in the transfer station.

REFERENCES:
patent: 3970381 (1976-07-01), Meagher et al.
patent: 5034777 (1991-07-01), Ohzeki et al.
patent: 5132738 (1992-07-01), Nakamura et al.
patent: 5253022 (1993-10-01), Takeuchi et al.

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