| 摘要 |
Retention unit for a copying device in which an original is transported past a position detection unit, a position correction unit and an illumination unit either to a delivery unit if the last copy of the original has been produced, or back to the position detection unit via the position correction unit if at least one further copy has to be made. The side edge of the original (12, 65) is detected independent of the feed in position of the original. This is effected by a plurality of detectors (1, .... 8) placed side by side in transverse to the direction of movement of the original or by a movable detector (63), which moves in transverse to the direction (66) of movement of the original (65) until it detects the side edge of the original. This detected position of the side edge of the original in retention is used as a reference in respect of which control signals are derived for the position correction unit.
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