Fujitsu fi-4220C Operator's Manual page 14

Turn the scanner OFF if it is damaged.
Do not put liquids inside the scanner.
Do not touch the inside of the scanner unless necessary.
Do not use the scanner if you smell a strange odor.
Do not install the scanner on unstable surfaces.
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If the scanner is damaged for any reason, turn off the scanner and unplug the power
cable before contacting the store where you purchased the scanner.
Do not insert or drop metal objects in to the scanner. Do not scan wet documents or
documents with paper clips or staples. Do not splash or allow the scanner to get wet.
If foreign objects (water, small metal objects, liquids, etc.) get inside the scanner,
immediately turn off the scanner and disconnect the power plug from the power outlet,
then contact the store where you bought the scanner or the Maintenance Service
Center. Pay particular attention to this warning in households where there are small
children.
Do not take apart or modify the scanner. The inside of the scanner contains high-
voltage components. Touching these components might cause fire or electric shock.
If you detect heat coming from the device or detect other problems such as smoke,
strange smells or noises, immediately turn off the scanner and then disconnect its
power plug. Make sure that the smoking has stopped, and then contact the store
where you bought the scanner or an authorized FUJITSU scanner service provider.
Install the scanner on a desk so that none of its parts protrude outside of the desktop.
Also, make sure that the scanner is installed on a flat, level surface. Do not install the
scanner on unstable surfaces. Install the scanner on a level surface that is free of
vibration to prevent it from falling.
Install the scanner on a strong surface that will support the weight of the scanner and
other devices.