Control panel overview251. Introduction1 WPSa Configures the wireless network connection easily without a computer (see "Using the WPS button" on page 165).Print ScreenbPress this button and the display will Print Screen? on the display screen. If you want to print only the active screen, select theActive. If you want to print the whole screen, select Full.• Print Screen can only be used in the Windows and Mac operating systems.• You can only use this function with USB-connected machine.• When printing the active window/whole monitor screen using the print screen button, the machine may use more tonerdepending on what is being printed.• You can only use this function if the machine’s Samsung Easy Printer Manager program is installed. If you are a Mac OSuser, you need to enable Screen Print Settings from the Samsung Easy Printer Manager to use the Print Screen feature.2 Scan to Switches between scan and copy mode. The Scan to LED turns on on scan mode and turns off on copy mode.3 Display screen Shows the current status and displays prompts during an operation.4 Arrows Scrolls through the options available in the selected menu and increases or decreases values.5 Menu Opens Menu mode and scrolls through the available menus (see "Menu overview" on page 34).6 OK Confirms the selection on the screen.7 Stop/Clear Stops an operations at any time.8 Power/WakeupTurns the power on or off, or wakes up the machine from the power save mode. If you need to turn the machine off, press this buttonfor more than three seconds when the machine is in ready mode.9 Start Starts a job.