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2·3
2-3 Treatment
For ventilation, holes are provided in the cabinet to prevent a temperature rise. Do not block the
ventilation holes. Good ventilation is necessary.
Never allow a liquid such as water and chemical solution and a metallic object like a copper wire
inside the JW-20CM to avoid a possible hazard. Otherwise, it may be a cause of machine trouble.
When a trouble or abnormal condition such as overheat, fume, or smoke is met, stop the operation
immediately, and call your dealer or our service department.
2-4 Static electricity
In extremely dry circumstances, the human body may have excessive static current. This excessive
static current may damage parts in the JW-20CM’s PC board. Therefore, prior to accessing the JW-
20CM, touch your hand to a grounded piece of metal to discharge the static current in your body.
2-5 Maintenance
Use a clean, dry cloth when cleaning the JW-20CM. Do not use volatile chemicals such as thinner or
alcohol as it may result in deformation and color fading.