Service ManualSummary of Product4-4 Samsung Electronics4.1.3.2 ButtonsButton Description• Press to switch between on-line and off-line.• In menu mode,press to return to ready mode.You can check the printer status according to the button backlight.Green On The printer is on-line and can receive data from the computer.Blinking • When the backlight slowly blinks,the printer is receiving datafrom the computer.• When the backlight fast blinks,the printer is receiving and print-ing data.If you want to pause printing, switch the printer to off-line.Orange On The printer stops printing due to a major error.Check the displaymessage.Blinking A minor error occurs and the printer is waiting an error to becleared.Check the display message.When the problem iscleared,the printer resumes printing.If you want to ignore thiswarning,press this button.Off • The printer is off-line and cannot print.• The printer is in Power Save mode.When data is received,it switches to on-line.• Press to enter menu mode.• In menu mode,press to scroll through the menus.In menu mode,press to select the displayed submenu item or confirm the changed set-ting. You can see the selected value marked with *.In menu mode,press to scroll through submenu items or setting options. Pressing movesyou to the next option and pressing sends you back to the previous option.• Press to cancel the current print job.• In menu mode,press to return to ready mode.In menu mode,press to go back to the upper menu level.Press to enable or disable Toner Save mode.• If the button backlight is on,the mode is enabled and the printer uses less toner to printa document.• If the button backlight is off,the mode is disabled and the printer will print in the normalquality.For more information on the Toner Save mode.Press to enable or disable the double-sided printing.• If the button backlight is on,the printer print on both sides of paper with long edge bind-ing.• If the button backlight is off,the double-side printing is disabled and the printer prints onone side of paper.Note : The double-sided printing setting in the printer driver overrides that of the controlpanel.