Brother HL-3400CN Series TROUBLE SHOOTING, TROUBLESHOOTING, TOP, LFU, DPX, 16 TONER EMPTY XXXX COLOR

CHAPTER 6 TROUBLESHOOTING

CHAPTER 6

TROUBLE SHOOTING

TROUBLESHOOTING

If any problems occur, the printer automatically stops printing, diagnoses the problem, and displays the corresponding message to alert you. Take the appropriate action, referring to the following tables. If you cannot clear the problem, consult the dealer where you purchased the printer. Inform the dealer of the message number for quick troubleshooting.

Operator Call Messages

When any of the following messages appear, the printer stops operating.

Operator Call Message		Meaning	Action
CHECK XXXXXXX		Check the paper tray.	Check that the paper is correctly inserted in
		XXXXXXX is TRAY 1/ TRAY 2/ the tray when the CHECK TRAY 1 message
		TRAY3.	appears.
			Load a stack of paper into the cassette.
12	COVER OPEN	The Front cover of the printer is	Close the Front cover.
FRONT		open.
12	COVER OPEN	The Top cover of the printer is	Close the Top cover.
TOP		open.
12	COVER OPEN	The Rear Access cover of the	Close the Rear Access cover.
REAR		printer is open.
12	COVER OPEN	The Lower Feeder Unit Cover is	Close the Lower Feeder Unit Cover.
LFU		open.
12	COVER OPEN	The Duplex Unit Cover is open.	Close the Duplex Unit Cover.
DPX
13	JAM XXXXXX	Paper is jammed in the printer.	Remove the jammed paper from the
		XXXXXX is DRUM/ TRAYS/	indicated area.
		INSIDE/ REAR.	See the ‘Paper Jams’ section in this chapter.
14	NO CARTRIDGE	A toner cartridge is not installed in Install the toner cartridge.
XXXX COLOR		the printer. XXXX indicates
		colors.
XX NO CASSETTE		The Media Cassette is not	Install the Media Cassette.
		installed. XX is T1/ T2/ T3.

16 TONER EMPTY XXXX COLOR

The printer has almost run out of toner: you may print another 50 pages. (The Alarm LED lights at the same time.) XXXX indicates colors.

Remove the toner cartridge, rock it several times at 45°, and install it again or replace the toner cartridge with a new one.

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