Sony MSAC-FD1A Operating Instructions Manual page 15

Cleaning
• If there is any dirt on the outside surface of the adaptor, wipe it off with a
clean, soft, dry cloth.
• Keep the surface of the adaptor that contact the floppy disk drive head
clean at all times. Wipe any dirt away with a clean, soft, dry cloth. If the
contact surface gets dirty, floppy disk drive performance may
deteriorate, or when a floppy disk is operated in the drive, the floppy
disk will be scratched and its data will be lost.
Surface in contact with
floppy disk drive head
15-US