| 摘要 |
PURPOSE:To prevent misplacing of an original, by providing an original detecting mechanism for an original keeping plate. CONSTITUTION:An original S is placed on an original setting glass 3, and the original is pressed with an original keeping plate 5. When the presence of the original is detected by a light incident to a phototransistor 8 provided on the plate 5 from a hole 9, shielded with the original S, a lamp on the upper side of a copying machine lights. Until the original S is removed from the original loading glass after copying, since the lamp is kept lighted, the misplacing of the original can be known. |
