Photocopying – Contact printing – Light boxes
Patent
1994-11-29
1996-06-11
Moses, R. L.
Photocopying
Contact printing
Light boxes
355298, 118689, G03G 1308, G03G 2110
Patent
active
055261000
ABSTRACT:
An image recording apparatus includes a toner supplying unit for supplying fresh toner to a toner chamber via a toner supplying passage; a toner collecting unit for collecting toner which remains on a photosensitive medium after an image on the photosensitive medium is transferred to a sheet of paper, and for supplying the collected toner to the toner chamber via a toner collecting passage; a toner ratio detecting unit for detecting whether or not a ratio of the collected toner to the fresh toner relating to a quantity of to toner contained in the toner chamber is greater than a maximum allowable ratio; and a toner quantity control for it for allowing the toner supplying unit to supply free toner to the toner chamber when the ratio relating to the quantity of toner contained in the toner chamber is detected to be greater than the maximum allowable ratio.
REFERENCES:
patent: 4956671 (1990-09-01), Otsuka
patent: 5260754 (1993-11-01), Yano et al.
patent: 5289241 (1994-02-01), Sugiyama et al.
patent: 5307128 (1994-04-01), Murasaki et al.
patent: 5430530 (1995-07-01), Ott et al.
patent: 5430532 (1995-07-01), Ueda et al.
Misago Naomi
Ohtsuka Hirohisa
Moses R. L.
Ricoh & Company, Ltd.
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