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5.2
Head Cleaning on Field Applications
Head cleaning 15 recommended at user's sites, especially when used
in severe environments, because the heads may accumulate dust in
the air and magnetic coating material of the disk, causing chance
of error increase and/or scratch on the disk surface.
Recommended schedules and procedures are as follows:
1)
Cleaning Schedules
(1)
Periodical cleaning using wet type cleaning disk.
i.
Once a month for normal usage in normal
environments.
ii.
Should be increased to about once a week when
used in severe environments such as dusty area,
high humidity, high and low extreme temperatures.
Low temperature such as 5 to 10°C (41 to 50°F)
under high humidity is most severe for diskettes.
iii. Higher frequency for brand new drives would be
recommended, for about once a week. Better
matchning between head and medium would be produced
by a long time use, as experienced.
(2)
When frequent errors are detected.
(Wet or dry type may
be used.)
(3)
When scratch(es) are found on the medium surface.
(Wet
or dry type may be used.)
2)
Recommended Head Cleaning Material
(1)
Wet type
Innovative Computer Products*, Head Cleaning Kit (or
equivalent).
*18360 Oxnard Street, Tarzana, California 91356
(213) 996-4911/TWX 910-493-5964
(2)
Dry type
To be supplied by Mitsubishi representatives. No
substitutions would be allowable unless accepted by
factory test.
-5-
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