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MFC-L3750CDW
FAQs & Troubleshooting
Turn Setting Lock On
DCP-L3510CDW/DCP-L3551CDW
MFC-L3710CW/MFC-L3735CDN/MFC-L3745CDW/MFC-L3750CDW/MFC-L3770CDW
DCP-L3510CDW/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-L3735CDN/MFC-L3745CDW/MFC-L3750CDW/MFC-L3770CDW
Press
[
Settings
]
>
[
All Settings
]
>
[
General Setup
]
>
[
Setting Lock
]
>
[
Lock Off⇒On
]
.
Enter the current four-digit password.
Press
[
OK
]
.
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