Photocopying – Contact printing – Light boxes
Patent
1991-03-28
1992-09-22
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355245, 355326, 355327, G03G 1501
Patent
active
051501627
ABSTRACT:
A toner supply device advantageously applicable to a full color copier has a plurality of supply units each being associated with respective one of developing units incorporated in the color copier. The supply units each is selectively engaged with or disengaged from associated one of the developing units by a toner supply path, facilitating the supply of toner and maintenance work.
REFERENCES:
patent: 4937625 (1990-06-01), Kato et al.
patent: 4941022 (1990-06-01), Ohmura et al.
patent: 4954844 (1990-09-01), Morita et al.
patent: 4958190 (1990-09-01), Ito
patent: 5036369 (1991-07-01), Toda et al.
IBM Technical Disclosure Bulletin, Queener, vol. 15, No. 4 Sep. 1972.
Dang T. A.
Grimley A. T.
Ricoh & Company, Ltd.
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