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Driving control device and image forming apparatus including the same App 20090169225 - Murata; Takuya ;   et al. | 2009-07-02 |
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Image Forming Apparatus Capable Of Effectively Forming A Quality Color Image App 20070172257 - Matsuda; Hiromichi ;   et al. | 2007-07-26 |
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Image forming apparatus including rotary member speed detection mechanism Grant 6,947,693 - Kamiya , et al. September 20, 2 | 2005-09-20 |
Belt drive control device and image forming apparatus including the same Grant 6,941,096 - Matsuda , et al. September 6, 2 | 2005-09-06 |
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