High-Voltage Ps Pcb Assy; Low-Voltage Ps Pcb Assy - Brother MFC-8220 Service Manual

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
3.19

High-voltage PS PCB ASSY

(1) Remove the bind B M4x12 Taptite screw, and then remove the high-voltage PS PCB
ASSY.
(2) Disconnect the flat cable from the high-voltage PS PCB ASSY.
NOTE:
• After disconnecting flat cable(s), check that each cable is not damaged at its end or
short-circuited.
• When connecting flat cable(s), do not insert them at an angle. After insertion, check
that the cables are not at an angle.
3.20

Low-voltage PS PCB ASSY

(1) Remove the bind B M4x12 Taptite screw.
(2) Disconnect the three connectors from the low-voltage PS PCB, and then remove the low-
voltage PS PCB ASSY.
Taptite, bind B M4x12
Low-voltage PS PCB ASSY
Taptite, bind B M4x12
Heater connector
Fig. 4-90
Fig. 4-91
4-50
High-voltage PS PCB ASSY
Flat cable
Main PCB/Engine
PCB connector
Main PCB connector