Image forming apparatus

Details Image forming apparatus Image forming apparatus

1991-05-02

1993-06-22

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

118656, 3461601, G03G 1506

Patent

active

052219461

ABSTRACT:
An image forming apparatus for forming a toner image. The apparatus includes a photosensitive drum, a laser device for forming a latent image on the photosensitive drum, a developing device for developing the latent image with a toner agent/and for cleaning the toner agent remaining on the photosensitive drum therefrom while the latent image is developed, a transfer device for transferring the developed image on the photosensitive drum to a recording medium such as a paper sheet, a disordering and charging device for disordering the toner agent remaining on the photosensitive drum after transfer of the developed image by the transfer device so as to render the developed image unreadable or nonpatterned, and for charging the photosensitive drum at a predetermined potential while the toner agent remaining on the photosensitive drum is disordered and a bias source for supplying the disordering and charging device with a bias voltage having an AC bias voltage.

REFERENCES:
patent: 4469435 (1984-09-01), Nosaki et al.
patent: 4664504 (1987-05-01), Oda et al.
patent: 4727395 (1988-02-01), Oda et al.
patent: 4769676 (1988-09-01), Mukai et al.

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