Photocopying – Contact printing – Light boxes
Patent
1992-04-17
1993-06-08
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355246, 355260, 355245, G03G 1508
Patent
active
052184072
ABSTRACT:
An image forming apparatus is provided with a developing unit for making a visible image out of an electrostatic latent image with use of developer. The apparatus has a determination unit for making a determination as to whether the developer is stored or not in the developing unit, a supply unit for supplying the developer from a bottle detachably provided to body of the apparatus to the developing unit, and a control unit for actuating supply operation by the supply unit when it is determined by the determination unit that no developer is stored in the developing unit.
REFERENCES:
patent: 4611730 (1986-09-01), Ikesue et al.
patent: 4625895 (1986-12-01), Tsukano
patent: 4629309 (1986-12-01), Tsukano et al.
patent: 4744493 (1988-05-01), Ikesue
patent: 4956668 (1990-09-01), Arnold et al.
patent: 4974020 (1990-11-01), Takamatsu et al.
Kashiwagi Shoji
Kitagawa Tsuneo
Matsushita Tetsuo
Saijo Hiromitsu
Minolta Camera Kabushiki Kaisha
Pendegrass Joan H.
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