Home > Security > Lock the Machine Settings > Setting Lock Overview > Turn On Setting Lock
Turn On Setting Lock
HL-L3290CDW/DCP-L3551CDW
- Press Menu.
- Press or to display the [General Setup] option, and then press OK.
- Press or to display the [Setting Lock] option, and then press OK.
- Press OK when the LCD displays [On].
- Enter the current four-digit password.
- Press OK.
MFC-L3710CW/MFC-L3750CDW/MFC-L3770CDW
- Press .
- Enter the current four-digit password.
- Press [OK].
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