Samsung ElectronicsService ManualAlignment and Adjustmens6-4LED behaviorStatus LED Black-only Toner-low Status(Green/Red) LED (CMYK)LEDsGreen LED ON N/A N/A Ready to receive the data.Green LEDS N/A N/A Receiving the data from the host.LOWLY BLINKGreen LED N/A N/A Printing the page.FAST BLINKRed LED BLINK N/A N/A Paper source is set to MANUAL .Need to push the button to start theprintingRed LED ON N/A N/A Out of paperRed LED ON N/A N/A Cover openRed LED ON N/A N/A Paper jamGreen/Red BLINK BLINK CMYK BLINK Service error ( LSU or Fuser error)N/A N/A Toner-low(black) ON Black toner needs to changeN/A N/A Toner-low(cyan) ON Cyan toner needs to changeN/A N/A Toner-low(magenta) ON Magenta toner needs to changeN/A N/A Toner-low(yellow) ON Yellow toner needs to changeN/A ON N/A Black only key is pressedService Error LED OperationAll LEDs blink the each time interval.Service Error LED operationFuser Error Open Fuser Error All LEDs (Toner low LEDs, Status (Red) LED, Black only LED) blinka time interval of 1 second.No Heat Error All LEDs (Toner low LEDs, Status (Red) LED, Black only LED) blinka time interval of 4 seconds.Over Heat Error All LEDs (Toner low LEDs, Status (Green/Red) LED, Black onlyLED) blink a time interval of 1 second.Scanner Error P Motor Error All LEDs (Toner low LEDs, Status (Green) LED, Black only(=LSU Error) LED) blink a time interval of 1 second.H Sync Error All LEDs (Toner low LEDs, Status(Green) LED, Black only LED)blink a time interval of 4 seconds.