| 摘要 |
PURPOSE:To prevent the recovery mistake of a photosensitive sheet by constitut ing a computer tomographing device so that the driving roller of a taking-out device is normal/reverse-revolution-controlled by the signal of a photosensitive- sheet detecting sensor installed immediately before the driving roller. CONSTITUTION:When a photosensitive sheet X which is supplied from a taking- out device 17 is detected by a sheet detector S1 and a luminous diode 28, a controller normally drives a driving roller 19 for a certain time and then reversely drives it for a short time. Through the repetition, the photosensitive sheet is fed into a recovering magazine 18. At this time, the top edge of the sheet contacts with the previously recovered sheet X and is deflected as shown by the imaginary line, or a part is fed, and then the sheet is recovered into the magazine 18, repeating the above-described operations. During the time when a confirming detector S2 detects the sheet X, the normal and reverse revolutions are repeated. With such constitution, the sheet can be recovered certainly free from recovery mistake.
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