Brother MFC-J3930DW Online User's Manual page 15

5. Power On/Off
Press to turn the machine on.
Press and hold down
stay on for a few seconds before turning itself off. If you have connected an external telephone or TAD, it is
always available.
If you turn the machine off using
prolong print head life, provide better ink efficiency, and maintain print quality, keep your machine connected
to a power source at all times.
MFC-J3930DW
1
1. NFC (Near Field Communication) symbol
You can use card authentication by touching the IC card to the NFC symbol on the control panel.
™
If your Android device supports the NFC feature, you can print from your device or scan documents to your
device in the same way.
2. Touchscreen Liquid Crystal Display (LCD)
Access menus and options by pressing them on the touchscreen.
Adjust the angle of the control panel by lifting it.
to turn the machine off. The touchscreen will display [Shutting Down] and will
, it will still clean the print head periodically to maintain print quality. To
2 3
4 5
6
8