Samsung SCX-6555NX Understanding The Status Led, Remove the old imaging unit and install a new

UNDERSTANDING THE STATUS LED

When the problem occurs, the Status LED indicates the machine's condition by the light color of it's action.

STATUS		DESCRIPTION
Off		• The machine is off-line.
		• The machine is in power save mode. When
		data is received, or any button is pressed, it
		switches to on-line automatically.
Green	Blinking	• When the backlight slowly blinks, the machine
		is receiving data from the computer.
		• When the backlight blinks rapidly, the
		machine is printing data.
	On	The machine is on-line and can be used.
Red	Blinking	• A minor error has occurred and the machine is
		waiting the error to be cleared. Check the
		display message. When the problem is
		cleared, the machine resumes.
		• The toner cartridge is low. Order a new toner
		cartridge. You can temporarily improve print
		quality by redistributing the toner. (See
		"Replacing the toner cartridge" on page 85.)
	On	• The imaging unit is totally out of lifespan.
		Remove the old imaging unit and install a new
		one. (See "Replacing the imaging unit" on
		page 87.)
		• The toner cartridge is totally empty. Remove
		the old toner cartridge and install a new one.
		(See "Replacing the toner cartridge" on
		page 85.)
		• A paper jam has occurred. (See "Clearing
		paper jams" on page 91.)
		• 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 97.)

Check the message on the display screen, and follow the instruction on the message or refer to Troubleshooting part. See "Troubleshooting" on page 89. If the problem persists, call for service.

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