Electrophotography – Image formation – Development
Reexamination Certificate
2006-08-29
2006-08-29
Tran, Hoan (Department: 2852)
Electrophotography
Image formation
Development
Reexamination Certificate
active
07099611
ABSTRACT:
A toner contained in a hopper is fed to an electrostatic conveyance member by a supply roller. With an actuator of the electrostatic conveyance member functioning, the toner is conveyed while being electrically charged at the same time, and is then supplied to a development roller. A thin layer of toner is formed on the development roller under the effect of an electric field. Since the toner is formed and charged without a mechanical layer thickness controlling member such as a doctor blade, mechanical stress acting on the toner is reduced.
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Aoki Katsuhiro
Ikeguchi Hiroshi
Kai Tsukuru
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
Tran Hoan
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