| 摘要 |
PROBLEM TO BE SOLVED: To supply clean external air, from which dust is removed, into a disk cartridge through the head insertion hole of the disk cartridge during a data recording and/or reproducing. SOLUTION: External air A sucked in from a cartridge insertion port 57 is sucked into an air duct 101 mounted on the top section of a cartridge holder 66, passes an air filter 104 in the air duct 101, converted to clean air and supplied into a cartridge 5 from a head insertion port 7 of the cartridge 5.
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