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22 Maintaining and Transporting the Document Camera
Cleaning the Lenses
Clean the lenses whenever you notice dirt or dust on the surface.
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Use a canister of compressed air to remove dust.
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To remove dirt or smears on the lenses, use lens-cleaning paper. If
necessary, moisten a soft cloth with lens cleaner and gently wipe
the lens surface.
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Remove the close-up lens by unscrewing it counterclockwise.
Then clean the main lens and both sides of the close-up lens.
Cleaning the Document Camera Case
Before you clean the case, first turn off the document camera and
unplug the power cord.
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To remove dirt or dust, wipe the case with a soft, dry, lint-free
cloth.
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To remove stubborn dirt or stains, moisten a soft cloth with water
and a neutral detergent. Then wipe the case.
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Do not use wax, alcohol, benzene, thinner, or other chemical
detergents. These can damage the case.
close-up lens
main lens