Brother MFC-L5700DN Online User's Manual page 607

Home > Machine Settings > Change Machine Settings from the Control Panel > General Settings > Change
How Long the LCD Backlight Stays On
Change How Long the LCD Backlight Stays On
Set how long the LCD backlight stays on.
1. Press [Settings] > [All Settings] > [General Setup] > [LCD Settings] > [Dim Timer].
2. Press the [Off], [10Secs], [20Secs] or [30Secs] option.
3. Press .
Related Information
• General Settings
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