| 摘要 |
A sheet finishing apparatus has a stacking tray for stacking sheets formed with indicia, a processing tray established in the process to said stacking tray for receiving said sheets, a movable aligning plate established on said processing tray that moves traverse to the direction of discharge of said sheets. The system has a plurality of aligning operations. The first aligning operation has a distance of L1 from the aligning position of the movable aligning plate to the first aligning operation starting position. The last aligning operation a distance of L2 from the aligning position of the movable aligning plate to the final aligning operation starting position. The relationship between these distances is L1>L2 for the last sheet of a plurality of sheets in a set. A first and a second aligning operation are performed on each of a set of sheets wherein the distance from the aligning position in the second aligning operation to the aligning start position is L3, the relationships between these distances being L1>L2>L3.
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