| 摘要 |
PROBLEM TO BE SOLVED: To provide a finisher device or the like to be used for an image forming device having a delivery tray of excellent convenience. SOLUTION: A finisher controller 121 controls an extension tray drive motor based on signals from sensors 127, 128 to detect the position of an extension tray, a signal from a detection sensor 129 to detect presence/absence of a long paper sheet on a delivery tray, and information on the size of print paper sheets, and the effective length of the delivery tray is controlled. COPYRIGHT: (C)2006,JPO&NCIPI
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