Brother HL-5270DN Quick Setup Manual page 6

Safety Precautions
IMPORTANT - For Your Safety
To ensure safe operation, the supplied three-pin plug
must be inserted only into a standard three-pin power
outlet that is properly grounded through the normal
household wiring.
Extension cords used with this printer must be three-
pin plug type and correctly wired to provide proper
grounding. Incorrectly wired extension cords may
cause personal injury and equipment damage.
The fact that the equipment operates satisfactorily
does not imply that the power is grounded and that
the installation is completely safe. For your safety, if
in any doubt about the effective grounding of the
power, call a qualified electrician.
This product should be connected to an AC power
source within the range indicated on the rating label.
DO NOT connect it to a DC power source. If you are
not sure, contact a qualified electrician.
Disconnect device
You must install this printer near a power outlet that is
easily accessible. In case of an emergency, you must
disconnect the power cord from the power outlet to
shut off the power completely.
Caution for LAN connection
Connect this product to a LAN connection that is not
subjected to over voltages.
Warning - This printer must be earthed.
The wires in the mains lead are coloured in line with
the following code:
Green and Yellow: Earth
Blue:
Brown:
If in any doubt, call a qualified electrician.
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Neutral
Live