Sharp MZ-1F11 Instruction Manual page 9

HOW TO CLEAN THE DISK HEAD
You must clean the disk head regularly - determine the interval of cleaning
based on the degree of oxide buildup on the head. Using a dirty head will cause
disk errors and much frustration.
1) Open the disk holder by pressing the EJECT button.
2) Notice the head at the back of the disk table.
3) Wipe the head surface with an applicator moistened with head-cleaning liquid.
(Perform this procedure in the similar way as cleaning a tape recorder head.)
/ Disk holder
Disk table (Disk shaft)
Note:
1. Use only the specified applicator to clean the head.
2. Purchase head cleaning liquid and applicators at an electrical store. (Use a
new applicator for each cleaning - use several if the first one becomes dirty.)
3. Cotton swabs available at any drugstore may be used as applicators.
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