1354. TroubleshootingUnderstanding the status LEDThe color of the LED indicates the machine's current status.• Some LEDs may not be available depending on model or country (see "Control panel overview" on page 26).• To resolve the error, look at the error message and its instructions from the troubleshooting part (see "Understanding display messages" on page 137).• You also can resolve the error with the guideline from the computer’s Samsung Printing Status window (see "Using Samsung Printer Status" on page 348).• If the problem persists, call a service representative.LED Status DescriptionStatusOff The machine is off-line.GreenBlinking When the backlight blinks, the machine is receiving or printing data.On • The machine is on-line and can be used.RedBlinking• A minor error has occurred and the machine is waiting for the error to be cleared. Check the display message. When the problemis cleared, the machine resumes.• Small amount of toner is left in the cartridge. The estimated cartridge lifea of toner is close. Prepare a new cartridge forreplacement. You may temporarily increase the printing quality by redistributing the toner (see "Redistributing toner" on page96). bOn• A toner cartridge has almost reached its estimated cartridge lifea . It is recommended to replace the toner cartridge (see"Replacing the toner cartridge" on page 98).• The cover is opened. Close the cover.• There is no paper in the tray. Load paper in the tray.• The machine has stopped due to a major error. Check the display message (see "Understanding display messages" on page 137).• A paper jam has occurred (see "Clearing paper jams" on page 123).
