| 摘要 |
A copying apparatus includes device for reciprocally driving an original scanning device having a drive source movable in a predetermined direction, a movement converting device for converting the movement of the drive source into a reciprocal movement in which the time required for backward movement is shorter than the time required for forward movement, output device connected to the movement converting device to put out a reciprocal movement for driving the scanning device, and speed control device for controlling the speed of the forward movement of the movable member so as not to exceed a predetermined speed.
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