Photocopying – Contact printing – Light boxes
Patent
1988-11-23
1991-01-08
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355265, 355268, G03G 1500
Patent
active
049840223
ABSTRACT:
An image forming apparatus including a photosensitive member, a developing sleeve for developing an electrostatic latent image formed on the photosensitive member by using a developer, and control means for controlling the application of bias voltage to the sleeve wherein the bias voltage is controlled so as to be maintained a predetermined time period after the image formation is interrupted.
REFERENCES:
patent: 4496238 (1985-01-01), Tsukada et al.
patent: 4631559 (1986-12-01), Kaneko
patent: 4714942 (1987-12-01), Nakanishi
patent: 4761672 (1988-08-01), Parker et al.
Matsushita Kouji
Yuge Shizuo
Minolta Camera Kabushiki Kaisha
Pendegrass Joan H.
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