Main Pcb Assy - Brother DCP-7090 Service Manual

9.28 Main PCB ASSY

(1) Disconnect all harnesses and flat cables from the Main PCB ASSY.
Main PCB ASSY
Harness routing: Refer to
(2) Remove the two Screw cup M3x8 (black) screws, and remove the Main PCB FG plate 1.
(3) Remove the four Screw cup M3x8 (black) screws, and remove the Main PCB ASSY.
<Back side>
Assembling Note:
• After the replacement, refer to
Chapter 4 to enter the adjusted value of the Main PCB ASSY.
Paper feed
sensor harness
T1 clutch harness
Registration clutch harness
"9. Top side of the
Main PCB ASSY
"1. IF YOU REPLACE THE MAIN PCB ASSY" in
LVPS harness
Eject sensor flat cable
Fig. 3-82
machine", "10. Frame L unit (Manual feed
Screw cup M3x8 (black)
Fig. 3-83
3-86
Cartridge sensor harness
(Only for models without Toner box)
Front cover sensor harness
Paper feed motor flat cable
models)".
Screw cup M3x8 (black)
Main PCB FG plate 1
Screw cup M3x8 (black)
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