Brother MFC Series Service Manual page 17

To use the machine safely
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ELECTRICAL HAZARDS
Failure to follow the warnings in this section may create the risk of an electrical shock. In
addition, you could create an electrical short, which may create the risk of a fire.
There are high-voltage electrodes inside the machine. Before you access the inside of the
machine, including for routine maintenance such as cleaning, make sure you have unplugged
the power cord from the AC power outlet, as well as any telephone (RJ-11) (MFC models only)
or Ethernet (RJ-45) (Network models only) cables from the machine.
DO NOT push objects of any kind into this machine through slots or openings in the cabinet, as
they may touch dangerous voltage points or short out parts.
DO NOT handle the plug with wet hands.
Always make sure the plug is fully inserted.
Unplug the power plug regularly to clean it. Use a dry cloth to clean the root of the plug blades
and between the blades. If the power plug is plugged into the outlet over a long period, dust
accumulates around the plug blades, which may cause a short circuit, resulting in a fire.
DO NOT continue using the machine if it has been dropped or the cabinet has been damaged.
Instead, unplug the machine from the power outlet.
DO NOT drop any metallic hardware or any type of liquid on the power plug of the product. It
may cause an electrical shock or a fire.
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