Canon Color imageRunner C3220 Reference Manual page 47

I Some parts inside the machine are subject to high-voltages and
temperatures. Take adequate precautions when inspecting the inside of the
machine. Do not carry out any inspections not described in this manual.
I Be careful not to spill liquid or drop any foreign objects, such as paper
clips or staples inside the machine. If a foreign object comes into contact
with electrical parts inside the machine, it might cause a short circuit and
result in a fire or electrical shock.
I If there is smoke, or unusual noise, immediately turn the main power
switch OFF, disconnect the power cord from the outlet, and call your local
authorized Canon dealer. Using the machine in this state may cause a fire
or electrical shock. Also, avoid placing objects around the power plug so
that the machine can be disconnected whenever necessary.
Installation Location and Handling
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