Recording medium library device and control method thereof

摘要

A cassette library (1) is provided with a driving apparatus (13), cassette housing shelves (14,15) and a cassette carrier (16). The library (1) comprising detecting means for detecting carriage of the recording medium (K) by the carry means (16) to the recording and reproduction means (13). The detecting means determines that loading has been completed without waiting for completion of a preparing operation in the recording and reproducing means (13) after loading of the recording medium (K).