| 摘要 |
PROBLEM TO BE SOLVED: To provide an image reader capable of attaining power saving more inexpensively without providing any dedicated hardware configuration, and to provide a control method thereof and an image forming apparatus. SOLUTION: The image reader, which reads a document in accordance with a reading mode, is provided with: first and second reading units 120 and 140, each including a CCD line sensor 201, a CCD driver 204, an AFE 202, an image processing IC 203 and a TG 205, for reading a first side and a second side of the document respectively, wherein the reading mode includes a both-side reading mode and a one-side reading mode, the first and second reading units 120 and 140 can be switched between a reading operation state during which the CCD line sensor 201 and the like are being driven, and a standby state during which they are not being driven and in accordance with the reading mode, the CPU 207 controls switching of the reading operation state and the standby state of the first and second reading units 120 and 140. COPYRIGHT: (C)2008,JPO&INPIT
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