Samsung SCX3400

The color of the LED indicates the machine's current status.

NOTE

• Some LEDs may not be available depending on model or country.
• To resolve the error, look at the error message and its instructions from the troubleshooting part.
• You also can resolve the error with the guideline from the computers’s Printing Status or Smart Panel program window.

LED	Status		Description
Status	Off		The machine is off-line.
	Green	Blinking	When the backlight blinks, the machine is receiving or printing data.
		On	• The machine is on-line and can be used.
	Red	Blinking	• A minor error has occurred and the machine is waiting for the error to be cleared. Check the display message. When the problem is cleared, the machine resumes. • Small amount of toner is left in the cartridge. The estimated cartridge life of toner is close. Prepare a new cartridge for replacement. You may temporarily increase the printing quality by redistributing the toner.
		On	• A toner cartridge has almost reached its estimated cartridge life*. It is recommended to replace the toner cartridge. • 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.
	Orange	Blinking	Upgrading firmware.
		On	A paper jam has occurred.
WPS	Blue	Blinking	The machine is connecting to a wireless network.
		On	The machine is connected to a wireless network.
		Off	The machine is disconnected from a wireless network.
Power	Blue	On	The machine is in power save mode.
		Off	The machine is in ready mode or machine’s power is off.
Eco	Green	On	Eco mode is on. 2-up, toner save on, skip blank page feature will automatically be applied when printing. For 3 in 1 model, this function can be applied when printing from PC.
		Off	Eco mode is off.
Toner	Orange	Blinking	Small amount of toner is left in the cartridge. The estimated cartridge life* of toner is close. Prepare a new cartridge for replacement. You may temporarily increase the printing quality by redistributing the toner.
		On	A toner cartridge has almost reached its estimated cartridge life*. It is recommended to replace the toner cartridge
		Off	All toner cartridges are at normal capacity.

NOTE

* Estimated cartridge life means the expected or estimated toner cartridge life, which indicates the average capacity of print-outs and is designed pursuant to ISO/ IEC 19752. The number of pages may be affected by operating environment, percentage of image area, printing interval, graphics, media and media size. Some amount of toner may remain in the cartridge even when red LED is on and the printer stops printing.