Chapter 6 Troubleshooting; Troubleshooting; Operator Call Messages - Brother HL-3400CN Series User Manual

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
CHECK XXXXXXX
12 COVER OPEN
FRONT
12 COVER OPEN
TOP
12 COVER OPEN
REAR
12 COVER OPEN
LFU
12 COVER OPEN
DPX
13 JAM XXXXXX
14 NO CARTRIDGE
XXXX COLOR
XX NO CASSETTE
16 TONER EMPTY
XXXX COLOR
Meaning
Check the paper tray.
XXXXXXX is TRAY 1/ TRAY 2/
TRAY3.
The Front cover of the printer is
open.
The Top cover of the printer is
open.
The Rear Access cover of the
printer is open.
The Lower Feeder Unit Cover is
open.
The Duplex Unit Cover is open.
Paper is jammed in the printer.
XXXXXX is DRUM/ TRAYS/
INSIDE/ REAR.
A toner cartridge is not installed in
the printer. XXXX indicates
colors.
The Media Cassette is not
installed. XX is T1/ T2/ T3.
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.

CHAPTER 6 TROUBLESHOOTING

Action
Check that the paper is correctly inserted in
the tray when the CHECK TRAY 1 message
appears.
Load a stack of paper into the cassette.
Close the Front cover.
Close the Top cover.
Close the Rear Access cover.
Close the Lower Feeder Unit Cover.
Close the Duplex Unit Cover.
Remove the jammed paper from the
indicated area.
See the 'Paper Jams' section
Install the toner cartridge.
Install the Media Cassette.
Remove the toner cartridge, rock it several
times at 45°, and install it again or replace
the toner cartridge with a new one.
in this chapter.
6–1