Brother HL-7050N - Manual (Page 97)

3 - 13 CONTROL PANEL
HL7050_US_UG_FM5.5
Set button
If you press the Set button when the printer is the on-line (READY),
it goes off-line and the LCD goes to the menu.
Pressing the Set button allows you to choose the displayed menu or
option. After changing a setting, an asterisk (*) appears briefly on the
right-hand side of the message.