Image forming apparatus with conveyance speed control based...

Electrophotography – Control of electrophotography process – Control of fixing

Reexamination Certificate

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Reexamination Certificate

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11386805

ABSTRACT:
Conveyance speed of recording materials by a fixing roller pair can be set to conveyance speed based on detected results of a recording material detector and a loop detecting sensor, and information on the recording material that has been stored in a memory in advance, and the conveyance speed of the fixing roller pair is set so that loop length of the recording material will be a lower limit length, after the loop detecting sensor detects a loop of the recording material, and before the rear end of the recording material passes through the transfer roller pair.

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patent: 7196827 (2007-03-01), Yamanaka
patent: 7251426 (2007-07-01), Koshida
patent: 2003/0156853 (2003-08-01), Fukutani
patent: 2005/0128536 (2005-06-01), Yamanaka et al.
patent: 2006/0051116 (2006-03-01), Koshida
patent: 2006/0086727 (2006-04-01), Takematsu et al.
patent: 2006/0088333 (2006-04-01), Watanabe et al.
patent: 2006/0120744 (2006-06-01), Shirakata et al.
patent: 2006/0222394 (2006-10-01), Koshida
patent: 2006/0263128 (2006-11-01), Takematsu et al.
patent: 2007/0059023 (2007-03-01), Koshida
patent: 5-107966 (1993-04-01), None

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