Image forming apparatus for collecting residual toner from a dru

Details Image forming apparatus for collecting residual toner from a dru Image forming apparatus for collecting residual toner from a dru

1994-03-30

1997-10-14

Lee, S.

Electrophotography

Image formation

Combined or plural functions by single component

399 18, 399 98, 399128, G03G 1524, G03G 1500

Patent

active

056781431

ABSTRACT:
An image forming apparatus for forming an image on a sheet, including a rotary endless latent image carrier, an image forming device for forming an electrostatic latent image on a latent image carrier, a developing device for developing the electrostatic latent image on the latent image carrier with powdery developers and collecting residual toners on the latent image carrier at the same time, a transfer device for transferring a developed image on the latent image carrier onto a sheet, a distribution roller having independent foam perforations for distributing residual toners on the latent image carrier when in contact with the latent image carrier after image transfer, and a power supply for supplying an AC voltage to the distribution member. The distribution member is made of a conductive foam member having a pore at a surface contacting with the latent image carrier and the roller rotates in a direction opposite to a rotational direction of the latent image carrier at a peripheral velocity of 1.1 to 1.5 times that of the latent image carrier.

REFERENCES:
patent: 5055882 (1991-10-01), Fushimi
patent: 5066982 (1991-11-01), Hosoya et al.
patent: 5231456 (1993-07-01), Kikuchi et al.
patent: 5241343 (1993-08-01), Nishio
patent: 5323215 (1994-06-01), Ohtaka et al.
patent: 5333041 (1994-07-01), Ito et al.
patent: 5587774 (1996-12-01), Nagahara et al.
patent: 5610697 (1997-03-01), Arai
Hosoya et al., "Cleanerless Laser Printer Using Monocomponent Nonmagnetic Development System", Jul. 16, 1991, pp. 29-37.

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