| 摘要 |
A cartridge auto-changer includes a main unit (12) within which a vertical array of shelves (4a) and disc drives (6a) are arranged, and a carrier (2) positioned behind the shelves and disc drives and moved in a vertical direction. An extension unit (22) includes a vertical array of shelves (4b), and disc drives (6b). The extension unit is removably attached to the back of the main unit through an attachment mechanism (23). This arrangement allows for mounting of additional shelves and disc drives, as may be needed.
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