| 摘要 |
PROBLEM TO BE SOLVED: To prevent a developed negative film from being inadvertently cut. SOLUTION: Both edge parts of a negative sheet 1 are provided with negative sheet marks 3a and 3b. Then, sensors are arranged in the carrying areas of the marks 3a and 3b as the detection areas. Thus, when only one side of the sheet 1 is fed and the other side is not fed, the next negative sheet mark is not detected by the sensor arranged at the side of the sheet 1 which is not fed. At this time, since a negative film guide member 37 for guiding a negative film to a negative film insertion port 2 is provided with a window 38, the mark 3a can be detected by the sensor through the opened window 38 even when the carrying area of the negative sheet mark is covered with the guide member 37.
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