Brother MFC-9450CDN User Manual page 102

DO NOT handle the plug with wet hands. Doing
this might cause an electrical shock.
Always make sure the plug is fully inserted.
After you have just used the machine, some
internal parts of the machine will be extremely hot.
When you open the front or back cover of the
machine, DO NOT touch the shaded parts shown
in the illustration.
The fuser unit is marked with a caution label. DO
NOT remove or damage the label.
To prevent injuries, be careful not to put your
hands on the edge of the machine under the
document cover as shown in the illustration.
To prevent injuries, DO NOT put your fingers in the
area shown in the illustrations.
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