251. IntroductionControl panel overview• This control panel may differ from your machine depending on its model.There are various types of control panels.• Some features and optional goods may not be available depending onmodel or country (see "Features by models" on page 7).12SCX-465x/465xN/4021S/4321NS Series1EcoTurn into eco mode to reduce toner consumption andpaper usage when pc-printing and copying only (see"Eco printing" on page 56).2DarknessAdjust the brightness level to make a copy for easierreading, when the original contains faint markings anddark images.PrintScreenPress this button and the display will Print Screen? onthe display screen. If you want to print only the activescreen, select the Active. If you want to print the wholescreen, select Full.• Print Screen can only be used in theWindows and Macintosh operating systems.• You can only use this function with USB-connected machine.• When printing the active window/wholemonitor screen using the print screenbutton, the machine may use more tonerdepending on what is being printed.• You can only use this function if themachine’s Samsung Easy Printer Managerprogram is installed. If you are a MacintoshOS user, you need to enable Screen PrintSettings from the Samsung Easy PrinterManager to use the Print Screen feature.3 Scan to Sends scanned data (see "Basic Scanning" on page 62).
