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DCP-L6600DW
FAQs & Troubleshooting
Turn Setting Lock On
Press
[
Settings
]
>
[
All Settings
]
>
[
General Setup
]
>
[
Setting Lock
]
>
[
Lock Off⇒On
]
.
Enter the current four-digit password.
Press
[
OK
]
.
To turn Setting Lock
[
Off
]
, press
on the LCD, enter the current four-digit password, and then press
[
OK
]
.
Print
|
Close
. 
To turn Setting Lock [Off], press
on the LCD, enter the current four-digit password, and then press [OK].