The Sleep Mode function of your Brother machine reduces power consumption while the machine is idle. You can adjust how long your Brother machine is idle before it goes into sleep mode. If you press a key on the control panel or the machine receives a fax,computer data or makes a copy, the timer will be reset. 

When the machine is in Sleep mode the LCD will display will be blank.

If your Brother machine is in Sleep Mode when you adjust the Sleep Time, the new setting will take effect the next time the Brother machine receives data from your PC, receives a fax, or makes a copy.

Follow the steps below to adjust your Brother machine's Sleep Mode setting:

1. Press (Settings).
    
2. Press All Settings.
    
3. Press the Up or Down arrow key to display General Setup.
    
4. Press General Setup.
    
5. Press the Up or Down arrow key to display Sleep Mode.
    
6. Press Sleep Mode.
    
7. Press the Up or Down arrow key to display 1Min, 2Mins, 3Mins, 5Mins, 10Mins, 30Mins or 60Mins to choose the length of time the machine must be idle before entering Sleep Mode. Press the option you want to set.
    
8. Press (Home).