Photocopying – Contact printing – Light boxes
Patent
1993-10-01
1995-08-08
Braun, Fred L.
Photocopying
Contact printing
Light boxes
118657, G03G 1509
Patent
active
054403782
ABSTRACT:
A developing device accommodating a two-component developer of a carrier and a toner the mean particle diameter of which is 3.about.5 .mu.m. The developing device has a rotatable developing roller confronting the photoreceptor for supplying the developer to the electrostatic latent image on the photoreceptor at a developing region where the developing roller confronts the photoreceptor while holding the developer thereon and adjusting member for adjusting a developer packaged density (PD) in the developing region at 40.about.50. The developer packaged density (PD) is obtained via the following equation:
REFERENCES:
patent: 5009973 (1991-04-01), Yoshida et al.
patent: 5036369 (1991-07-01), Toda et al.
patent: 5038176 (1991-08-01), Yokoyama et al.
Braun Fred L.
Minolta Camera Kabushiki Kaisha
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