Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2011-03-22
2011-03-22
Gray, David M (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
C399S390000, C399S401000, C399S407000
Reexamination Certificate
active
07912392
ABSTRACT:
An image forming apparatus includes an image forming part, a fixer including a heating member and a pressure member, a reverse transport part to forward a recording medium transported from the fixer to the image forming part, a toner image sensor to detect presence of a toner image on the recording medium, and a controller. When a glossy image formation mode is selected and no toner image is detected on the recording medium, the image forming part does not form a toner image on the recording medium, the fixer performs a first heating and pressing process and transports the recording medium to the reverse transport part, the reverse transport part transports the recording medium to the image forming part, the image forming part forms a toner image on the recording medium transported from the reverse transport part, and the fixer performs a second heating and pressing process and fixes the toner image thereon.
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English translation of JP 01-160469 (“Composite copying machine”—Hiroshi Takahashi, Nov. 7, 1989).
Per client, U.S. Appl. No. 11/898,130, filed Sep. 10, 2007.
Fujimoto Ippei
Hachisuka Toshiharu
Ishigaya Yasunori
Kunii Hiroyuki
Namekata Shinichi
Gray David M
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh Company Limited
Wong Joseph S
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