Brother HL 5370DW, Service Manual

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5-36 Confidential
8.8 Main PCB
(1) Remove the four cup S M3x6 SR Taptite screws, remove the FG harness and then
remove the Shield cover.
Fig. 5-34
(2) Disconnect the five or six connectors and six flat cables from the Main PCB.
Fig. 5-35
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.
Assembling Note:
• When assembling the Main PCB, ensure to place the Ferrite Core correctly.
Taptite, cup S M3x6 SR
Taptite, cup S M3x6 SR
FG harness
Shield cover
LD harness (Flat cable)
Panel PCB connector
Relay front (Flat cable)
Ferrite core
Wireless PCB connector (Only Wireless LAN m
Polygon motor (Flat cable)
LVPS PCB connector
Main motor (Flat cable)
HVPS PCB (Flat cable)
LT connector FAN connector
Main PCB
DX solenoid connector
Relay rear (Flat cable)