Brother HL-3400CN Series - Manual (Page 219)

CHAPTER 6 TROUBLESHOOTING
6–1
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.
XXXXXXX is TRAY 1/ TRAY 2/
TRAY3. 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.
12 COVER OPEN
FRONT
The Front cover of the printer is
open. Close the Front cover.
12 COVER OPEN
TOP
The Top cover of the printer is
open. Close the Top cover.
12 COVER OPEN
REAR
The Rear Access cover of the
printer is open. Close the Rear Access cover.
12 COVER OPEN
LFU The Lower Feeder Unit Cover is
open. Close the Lower Feeder Unit Cover.
12 COVER OPEN
DPX The Duplex Unit Cover is open. Close the Duplex Unit Cover.
13 JAM XXXXXX Paper is jammed in the printer.
XXXXXX is DRUM/ TRAYS/
INSIDE/ REAR. Remove the jammed paper from the
indicated area.
See the ‘
Paper Jams’ section in this chapter.
14 NO CARTRIDGE
XXXX COLOR
A toner cartridge is not installed in
the printer. XXXX indicates
colors. Install the toner cartridge.
XX NO CASSETTE The Media Cassette is not
installed. XX is T1/ T2/ T3. Install the Media Cassette.
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.