Brother MFC-9320CW Service Manual page 318

(3) Disconnect the Connector from the LED power relay PCB ASSY.
Connector
(4) Remove the Taptite cup S M3x6 SR screw, and then remove the LED FG harness from
the Main PCB shield plate.
Note:
- After disconnecting the flat cable(s), check that each cable is not damaged at its end
or short-circuited.
- When connecting the flat cable(s), do not insert it at an angle. After insertion, check
that the cable is not at an angle.
Fig. 5-109
LED FG harness
(Taptite cup S M3x6 SR)
Main PCB
Fig. 5-110
5-103
LED power relay PCB ASSY
Main PCB shield plate
Confidential