Brother MFC-J3520 Service Manual page 217

(9) Remove the Power cord from the Power cord holder.
(10)Remove the three screws (TAPTITE CUP S M3x6) and remove the Power supply
PCB ASSY from the Lower power supply frame.
(11)Disconnect the Connector from the Power supply PCB ASSY.
Power cord
Power cord holder
Power supply
PCB ASSY
TAPTITE CUP S M3x6
Harness routing: Refer to
Power supply harness
Fig. 3-113
" Main PCB ASSY and MJ PCB
2
" Lower cover (Left side)","
12
3-97
Insulation film (2 sheets)
Connector
TAPTITE CUP S M3x6
Power supply PCB ASSY"
13
Lower power supply
frame
ASSY",
Confidential