Brother HL-4000CN - Controller Board Removal

IV-4
1.4 Controller Board Removal
1) Remove the cover cassette rear.
2) From the rear side of the printer, loosen the screws that secure the controller
board.
3) Holding the left and right knobs on the controller board, pull out the controller
board of the printer.
Note:
In replacing the controller board on the printer, connect the connector at the leading
end of controller board to the connector of the PKG SERVICE MCU HANABI .
Fig.4-4
Screw, M4x7.5
Screw, M4x7.5
Controller board