Main Pcb - Brother HL-5240 Service Manual

7.12

Main PCB

(1) Remove the four cup S M3x6 SR Taptite screws, remove the FG harness and then
remove the Shield cover.
Taptite, cup S M3x6 SR
Taptite, cup S M3x6 SR
(2) Disconnect the five connectors and six flat cables from the Main PCB.
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.
DX solenoid connector
Relay rear (Flat cable)
Assembling Note:
When assembling the Main PCB, ensure to place the Ferrite Core correctly. Refer to
"APPENDIX 7.LOCATION OF THE FERRITE
Shield cover
FG harness
LD harness (Flat cable)
Main PCB
LT connector
HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
Fig. 5-30
Panel PCB connector
Relay front (Flat cable)
Wireless PCB connector (For HL-5280DW)
Polygon motor (Flat cable)
Main motor (Flat cable)
HVPS PCB (Flat cable)
Fig. 5-31
CORE" in details.
5-29
LVPS PCB connector
Confidential