Samsung SP-P310ME - Manual (Page 6)

If the product emits smoke, unusual noise, or there is a burning smell,disconnect
the power plug immediately, and contact a Service Center .
z There is a danger of electric shock or fire.
If the power plug pin or jack is exposed to dust, water or alien substances, clean it
thoroughly.
Ask a Service Center to clean the product internally at least once a year.
z Dust which has accumulated in the interior over an extended period of time
may cause fire or a malfunction.
When cleaning the product, disconnect the power cord and wipe the product using
a soft dry cloth.
z Do not use any chemicals such as wax, benzene, alcohol, thinners,
insecticide, air freshener, lubricant or detergent.
When not using the product for an extended period of time, disconnect the power
plug.
z Otherwise, this may cause heat emission from the accumulated dirt or
degraded insulation, leading to electric shock or fire.
Do not install the product in places with heavy dust, chemical substances, high or
low temperatures, high humidity, or where it will be operated for a long period
continuously etc.
If the product is dropped or the casing is damaged, turn the product off and unplug
the power cord.
z This may cause electric shock or fire. Contact a Service Center .
Take care not to lose the lens cover of the product.
z This may damage the lens.