Electrophotography – Image formation – Transfer
Patent
1996-04-30
1997-03-04
Ramirez, Nestor R.
Electrophotography
Image formation
Transfer
399315, 399298, G03G 1516
Patent
active
056085052
ABSTRACT:
An image forming apparatus includes an electrophotographic photosensitive member; a charger for charging the photosensitive member to form an electrostatic latent image on the photosensitive member; an exposure device for exposing the photosensitive member to image light; a developing device for developing the latent image with toner; a transfer member contactable to the photosensitive member at a transfer position, the transfer member comprising an electrically conductive base, a high resistance surface layer, and a low resistance or intermediate resistance conductive layer between the conductive base and the surface layer; and transfer voltage applying device for applying a transfer voltage to the transfer member; wherein Ws>Wt>Wp>W1 is satisfied, where Ws is a width of a photosensitive layer measured in a direction perpendicular to a movement direction of the photosensitive member, W1 is an image exposure width of the exposure device, Wp is a width of a transfer material usable with the image forming apparatus, and Wt is an overlapping width between a charging width of the charger and the width of the conductive layer of the transfer member.
REFERENCES:
patent: 5253022 (1993-10-01), Takeuchi et al.
patent: 5272506 (1993-12-01), Goto et al.
Katoh Motoi
Miyashiro Toshiaki
Ochiai Toshihiko
Suzuki Takehiko
Takeuchi Akihiko
Canon Kabushiki Kaisha
Ramirez Nestor R.
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