| 摘要 |
PROBLEM TO BE SOLVED: To prevent a tray from becoming unusable because a same tray ID is assigned to a plurality of different trays (feeding or discharging trays). SOLUTION: A tray ID processing part 106 is provided with a tray management table (tray information accumulation means) for accumulating corresponding tray type information indicating a plurality of types of trays and tray IDs (user specification tray IDs) optionally input to identify respective trays. The tray ID processing part 106 determines whether a same accumulated user specification tray ID is assigned to a plurality of pieces of tray type information or not. In the case that accumulated tray IDs are duplicated, the duplicated tray IDs respectively corresponding to the plurality of pieces of tray type information accumulated in the tray management table are changed so that there are no duplicated tray IDs and the change is reflected on an actual machine tray priority holding area 107 and a tray priority holding area 108. COPYRIGHT: (C)2009,JPO&INPIT
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