Brother HL-4200CN - Page 176

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2.5.5 PWBA DRV HBN
1) Remove the all connectors on the PWBA DRV HBN from the right side of the
printer.
2) Remove 4 screws securing the PWBA DRV HBN to the printer.
3) Remove the PWBA DRV HBN from the printer.
Fig.4-104
PWBA DRV HBN
Screw, M3x6
Screw, M3x6
Screw, M3x6