Brother Facsimile Equipment MFC7420 - Manual (Page 119)

Confidential 5 -4 8
5.1.18 High-Voltage PS PCB ASSY
(1) Disconnect the three connectors from the high-voltage PS PCB ASSY.
(2) Disconnect the high-voltage PS PCB harness from the main PCB.
(3) Remove the two bind B M4x12 taptite screws and the two cup S M3x6 taptite screws.
(4) Remove the high-voltage PS PCB from main frame L.
High-voltage PS PCB harness
Toner sensor PCB harness
P/R solenoid harness F/R solenoid harness
Main frame L
Hook
Taptite, bind B M4x12
High-voltage PS PCB
Taptite, cup S M3x6
Taptite, bind B M4x12
1
2
High-voltage PS PCB ASSY