Brother HL-3260N - Manual (Page 22)

USER’S GUIDE
xviii
The wires in the mains cord are colored in accordance with the
following code :
GREEN AND YELLOW: EARTH
BLUE :
NEUTRAL
BROWN : LIVE
The colors of the wires in the mains lead of this printer may not
correspond with the colored markings identifying the terminals in your
plug.
If you need to fit a different plug, proceed as follows.
Remove a length of the cord outer sheath, taking care not to damage
the colored insulation of the wires inside.