Brother DCP-9055CDN Service Manual page 330

(3) Remove the Taptite flat B M3x10 screw to remove the AC inlet from the Low-voltage
power supply unit.
<Right side>
(4) Remove the screw "a" of the Screw pan (S/P washer) M4x8 from the Low-voltage power
supply unit to remove the ground terminal
<Right side>
Screw pan (S/P washer)
M4x8 "b"
Screw pan (S/P washer)
M4x8 "a"
Ground terminal
AC inlet
Fig. 3-208
Low-voltage power supply unit
Fig. 3-209
3-149
Low-voltage power
supply unit
Pin
Taptite flat B M3x10
Confidential