Brother Facsimile Equipment MFC7420 - Manual (Page 102)

Confidential 5 -3 1
(3) Remove the NCU harness ASSY.
(4) Remove the two cup S M3x6 taptite screws from the NCU shield cover to remove the NCU
PCB ASSY.
5.1.13 Speaker
(1) Disconnect the connector of the speaker from the main PCB.
NCU shield cover
NCU PCB ASSY
NCU harness ASSY
Taptite, cup S M3x6
1
2
Main PCB
Speaker connector