Brother HL-4200CN - Controller Board; Right; Left; Pcbs of the Printer

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2.5 Right / Left / PCBs of the Printer
2.5.1 Controller Board
1) Loosen the two screws, and then remove the controller board.
Note:
In replacing the controller board on the printer, connect the connector at the leading
end of controller board to the connector of the MCU HL-4200.
Fig.4-97
2) Remove the two screws from the plate rear ess.
3) Remove the NIC excord ASSY BR.
4) Remove the four screws, and then remove the plate rear ess.
5) Remove the Guide L ess.
6) Remove the Guide R ess.
7) Remove the font card.
Fig.4-98
Controller board
Screw, M4x7.5
Screw, M4x7.5
NIC excord ASSY BR
Controller board
Font card
Plate rear ess
Guide L ess
Guide R ess