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Brother HL-4140CN Service Manual page 247

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(6) Remove the four Screw cup M3x6 screws to remove the Low-voltage power supply PCB
ASSY from the Low-voltage power supply plate.
Screw cup M3x6
Low-voltage power
supply plate
Fig. 3-127
3-99
Screw cup M3x6
Low-voltage power supply
PCB ASSY
Confidential
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