4 Control Panel

LEDs (Light Emitting Diodes)

This section refers to three LEDs Toner, Drum and Error, and a dual function Ready LED & Go button on the control panel.

1.	Toner LED The Toner LED indicates when the Toner is low or at the end of its life.
2.	Drum LED The Drum LED indicates when the Drum is nearing the end of its life.
3.	Error LED The Error LED indicates when the printer is in one of the following states: No paper / Paper jam / Cover open
4.	Ready LED The Ready LED will flash depending on the printer status. Go button Wake-up / Error recovery / Form feed / Job Cancel / Reprint

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

or	LED is off.
or or	LED is on.
	The LED is dimmed.
or or	LED is blinking.

LED	Printer status
	Off The power switch is off.
	Sleep mode 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.
	Cooling down The printer is cooling down. Wait for a few seconds until the inside of the printer has cooled down.
	Receiving data The printer is either receiving data from the computer, processing data in memory or printing the data.
	Data remaining in memory There is remaining print data in the printer memory. If the Ready LED is blinking for a long time and nothing has printed, press the Go button to print the remaining data in the memory.
	Toner low Indicates that the toner cartridge is nearly empty. Buy a new toner cartridge and have it ready for when Toner life end is indicated. The Toner LED will turn 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 drum unit assembly is not installed correctly. Take the drum unit out of the machine and put it back in.
	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 will turn on for 2 seconds and off for 3 seconds.
	No paper fed tray1 Put paper in the tray. Then press the Go button. See Printing on plain paper, bond paper and transparencies.
	No paper fed manual feed slot Put paper in the manual feed slot. See Printing on plain paper, bond paper and transparencies or Printing on thick paper, labels and envelopes.
	Front cover is open Close the front cover of the printer.
	Fuser cover is open Close the fuser cover located behind 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.
	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. Put in a new drum unit. See Replacing the drum unit.

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