| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the recovery from an operation error when discharging a disk from a rotationally driving means or storing the disk into a stock part. SOLUTION: When the disk clamped in the drive unit 50 is discharged from the insert opening 15 or the disk is stored to the disk holder 41 in the stock portion 3, and when an error occurs in the middle of a series of operations, an operation is resumed after returning to a step in which the operation is confirmed before then, thereby enhancing a probability for eliminating the error. COPYRIGHT: (C)2003,JPO
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