Electrophotography – Image formation – Development
Patent
1999-09-09
2000-11-28
Chen, Sophia S.
Electrophotography
Image formation
Development
204571, 399237, G03G 1510
Patent
active
061546240
ABSTRACT:
In an image forming apparatus, a developing liquid collected from an image carrier and/or an intermediate transfer body is caused to migrate through a gap between two electrodes to each of which a particular electrode is applied. An electric field formed between the electrodes sequentially increases in strength in the direction of migration of the developing liquid, so that toner and other solids contained in the developing liquid are retained by electrodeposition. One or more foam blocks each having continuous cells absorb the collected liquid under the action of the electric field and thereby retain the solids therein. As a result, only a carrier liquid is recovered from the collected liquid and reused for development.
REFERENCES:
patent: Re34437 (1993-11-01), Ariyama et al.
patent: 5036365 (1991-07-01), Landa
patent: 5923930 (1999-07-01), Tsukamoto et al.
patent: 5937247 (1999-08-01), Takeuchi et al.
patent: 5942095 (1999-08-01), Day et al.
Itaya Masahiko
Sasaki Tsutomu
Chen Sophia S.
Ricoh & Company, Ltd.
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