4 Control panel

LEDs (Light Emitting Diodes)

This section refers to the four Light Emitting Diodes (LEDs) (Toner, Drum, Error, Ready) and a control panel button (Go) on the control panel.

The LED indications shown in the table below are used in the illustrations in this chapter.

	LED is off.
or or	LED is on.
or or	LED is blinking.

Note

When the power switch is off or the printer is in Sleep mode, all the LEDs are off.

LED	Printer status
	Sleep mode The power switch is off or the printer is in Sleep mode. Pressing the Go button wakes up the printer from Sleep mode to Ready mode.
	Ready to print The printer is ready to print.
	Warming up The printer is warming up.
	Receiving data The printer is either receiving data from the computer, processing data in memory or printing the data.
	Data remaining in memory Print data is left in the printer memory. If the Ready LED blinks for a long time and nothing has printed, press the Go button to print the data that is still in memory.
	Toner low Indicates that the toner cartridge is nearly empty. Purchase a new toner cartridge and have it ready for when Toner Life End is indicated. The Toner LED alternates turning on for 2 seconds and off for 3 seconds.
	Toner life end Replace the toner cartridge with a new one. See Replacing the toner cartridge.
	Cartridge position error The toner cartridge is not installed correctly. Take out the toner cartridge and put it back into the printer again.
	Drum life end soon The drum unit is near the end of its life. We recommend that you get a new drum unit to replace the current one. See Replacing the drum unit. The Drum LED alternates turning on for 2 seconds and off for 3 seconds.
	No paper fed tray1 Put paper in the tray. See Printing on plain paper, bond paper or transparencies from the paper tray. Then press the Go button.
	Back cover is open Close the back cover of the printer.
	Paper jam Clear the paper jam. See Paper jams and how to clear them. If the printer does not start printing, press the Go button.
	No paper fed manual feed slot Put the paper in the manual feed slot. See Printing on plain paper, bond paper or transparencies from the manual feed slot or Printing on thick paper, labels and envelopes from the manual feed slot.
	Memory full The printer memory is full and the printer cannot print full pages of a document. See Solving print problems.
	Print overrun A print overrun occurred and the printer cannot print full pages of a document. See Solving print problems.
	Drum error The corona wire needs to be cleaned. See Cleaning the corona wire. If your LED's still shows the same error indication after you have cleaned the corona wire, replace the drum unit with a new one. See Replacing the drum unit.

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