| 摘要 |
PURPOSE:To make operation of transfer paper designation switches unnecessary, by selecting one of plural transfer paper feed means in accordance with the output signal of an original size sensor and that of a variable power ratio designating circuit, and actuating it. CONSTITUTION:The titled copying machine is provided with original size sensors 16, 17 for detecting size of originals 2 placed on the original set tray 1 of an original feeder, a variable power ratio designating circuit operated with plural variable power ratio designating switches for designating copying magnification of an exposing device 13, and means for causing a variable power ratio changing means to decide a variable power ratio in accordance with the output signal of the variable power ratio designating circuit, and in addition, means for selecting and actuating one of plural transfer paper feeding means 31 in accordance with the output signals of the sensors 16, 17 and that of the variable power ratio designating circuit. |
