Brother DCP 9040CN - Manual (Page 4)

Safety Precautions
2
To Use the Machine Safely
Warning
Before cleaning the inside of the machine, unplug the power
cord from the electrical socket.
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.