Electrophotography – Control of electrophotography process – Having temperature or humidity detection
Reexamination Certificate
2008-04-29
2008-04-29
Royer, William J. (Department: 2852)
Electrophotography
Control of electrophotography process
Having temperature or humidity detection
C399S067000, C399S069000, C399S088000
Reexamination Certificate
active
07366432
ABSTRACT:
A fixing device for fixing an image formed on a recording material includes a fixing member and a pressing member which are rotatable to pass the recording material having an image through their nip part, a heating part that heats the fixing member, a storage unit that is charged by an external power source to supply power to the heating part, and a control unit that controls the external power source and the storage unit to supply power to the heating part without rotating the fixing member and pressing member at a time of warming-up the fixing member by the heating part in a first case. The control unit further controls the external power source to supply power to the heating part and controls the storage unit so as not to supply power to the heating part while rotating the fixing member and the pressing member in a second case.
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Amita Akiyasu
Kato Yasuhisa
Kikegawa Ryuichi
Kishi Kazuhito
Matsusaka Susumu
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
Royer William J.
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