Mj/Ps Shield Unit (Mj Pcb And Power Supply Pcb) - Brother MFC-J6510DW Service Manual

3.9.12 MJ/PS Shield Unit (MJ PCB and Power Supply PCB)

(1) If the main PCB shield frame has not been removed, disconnect the power supply harness,
main-MJ (LINE) harness and main-MJ (EXT) harness from the main PCB, then remove
two screws ("b" shown on
(2) Disconnect the power supply harness from the power supply PCB.
(3) Remove the two screws ("c" and "d" shown in the figure below).
(4) Release the harnesses from the cable guides provided on the lower cover.
(5) As shown below, press lock "x" on the MJ/PS shield unit to release it from pawl "y" on the
lower cover, then remove the MJ/PS shield unit from the bottom of the lower cover.
Lower cover
MJ/PS shield unit
Main-MJ (LINE)
harness (yellow)
Main-MJ (EXT)
harness (black)
page
"c"
"d"
Power supply harness
Power supply
PCB
3-97) from the main PCB shield frame.
Pawl "y"
3-100
Press lock "x"
inwards to release
it from pawl
"y" provided on
the lower cover.
Pawl "y"
provided
on the lower
Lower cover
cover
Power supply shield
Lock "x"
"c": Taptite, cup S M3x6
"d": Screw, bind M3x6
Lock "x"
(3_066)
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