protech POS-3520, User Manual

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Chapter 1 Introduction
POS-3520 USER
′
S MANUAL
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4. Good Care
a. When the outside case gets stained, remove the stains using neutral
washing agent with a dry cloth.
b. Never use strong agents such as benzene and thinner to clean the surface
of the case.
c. If heavy stains are present, moisten a cloth with diluted neutral washing
agent or alcohol and then wipe thoroughly with a dry cloth.
d. If dust is accumulated on the case surface, remove it by using a special
vacuum cleaner for computers.