Brother Laserprinter Color Hl 3450cn User Guide

 CHAPTER 7 TROUBLE SHOOTING 
7-3 
 
Error Message   Remarks 
MEDIATYPE ERROR 
Specify the correct media type: XX 
XX=T1, T2, T3, or DX
 XX = T1, T2, T3 or DX 
NO FUSING UNIT 
A fusing unit was not detected. Please install one.  
CARD ERROR 
An error occurred while accessing the Flash card. 
Check that the driver is formatted and not in Write 
Protect mode. 
 
HDD ERROR 
An error occurred while accessing the HDD.  Power 
cycle the printer and check that it is formatted. 
 
DIMM ERROR 
Ensure that the DIMM...

CHAPTER 7 TROUBLE SHOOTING 
7-4 
 
M M
MA A
A
I I
I
N N
N
T T
T
E E
E
N N
N
A A
A
N N
N
C C
C
E E
E
   
 M M
ME E
E
S S
S
S S
S
A A
A
G G
G
E E
E
S S
S
   
    
 
Error Message  Meaning  Action 
      ! !  ! 
            
(K  C  M  Y) When the 
! indicator blinks 
(
), the indicated color toner 
is nearly empty.  K: Black, C: 
Cyan, M: Magenta, Y: Yellow.  
When the toner becomes 
empty, the 
! indicator 
disappears completely.  Be ready to replace the Toner 
Cartridge(s) when the toner is 
nearly empty....

 CHAPTER 7 TROUBLE SHOOTING 
7-5 
   
 C C
CA A
A
L L
L
L L
L
   
 S S
SE E
E
R R
R
V V
V
I I
I
C C
C
E E
E
   
 M M
ME E
E
S S
S
S S
S
A A
A
G G
G
E E
E
S S
S
   
    
 
When any of the following messages appear on the LCD, turn off the printer.  
Wait a few seconds, and then turn the printer on again. If this does not clear 
the problem, consult your dealer or Brother Authorized Service 
Representative. 
Call Service 
Message Meaning Action 
ERROR EC3 
WARNING  NVRAM ERROR  
Turn off the printer. Wait...

CHAPTER 7 TROUBLE SHOOTING 
7-6 
 
 
Service Call 
Message Meaning Action 
ERROR EE4 
WARNING Toner empty 
sensor error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE5 
WARNING Transfer roller 
solenoid error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE6 
WARNING Drum cleaning 
solenoid error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE7 
WARNING Drum cleaning 
clutch error Turn off the printer. Wait a...

 CHAPTER 7 TROUBLE SHOOTING 
7-7 
 
Service Call 
Message Meaning Action 
ERROR EH4 
WARNING  Fuser 
temperature 4 
error Turn off the printer. Wait 15 minutes, 
and then turn it on again. 
ERROR EL1 
WARNING Beam detector 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EL2 
WARNING Scanner motor 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ELL 
WARNING Laser power error 
Turn off the printer. Wait a few 
seconds, and then turn it...

CHAPTER 7 TROUBLE SHOOTING 
7-8 
 
P P
PA A
A
P P
P
E E
E
R R
R
   
 J J
JA A
A
M M
M
S S
S   
 
This printer has been designed to be trouble free. However, if a problem 
should occur, note the display message and take the appropriate action. 
This section describes the actions to be taken to avoid paper jams and 
unsatisfactory printouts.  
Paper Jam 
 
If paper jams inside the printer, it will stop printing and display the following 
message.  
 
 
 
                          
 
 
X (Display)  Meaning...

 CHAPTER 7 TROUBLE SHOOTING 
7-9 
 
If more than two places appear in the LCD, clear them one at a time by 
following the steps in ‘How to Clear a Paper Jam in the Printer’.  
 
Note 
Do not use the following paper:   
 Bent paper 
 Moist paper 
 Paper that does not meet specifications 
 
Paper may jam in the Paper Cassette, inside the printer, at the Rear Access 
Cover or at the paper exit. Locate the jam, and then follow the instructions 
below to remove the jammed paper.  
After you have followed...

CHAPTER 7 TROUBLE SHOOTING 
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How to Clear a Paper Jam in the Printer 
    
   PAPER JAM AT PAPER EXIT 
 
JAM E1 
 
 
If paper has passed behind the Rear Access Cover and a paper jam has 
occurred at the paper exit, follow the steps below: 
1.  Open the Top Cover, and 
then release the Fusing 
unit Pressure Release 
Levers. 
 
Fig. 7-1 
2.  Open the Rear Access 
Cover, and then remove 
the jammed paper by 
pulling it out slowly. 
 
Fig. 7-2 
3.  Lock the Fusing Unit Pressure Release Levers, close...

 CHAPTER 7 TROUBLE SHOOTING 
7-11 
 
Note 
If the number of paper jams at the Rear Access Cover increases, replace \
the Paper Discharger. 
 
    
   PAPER JAM AT FUSING ROLLER INSIDE THE 
        PRINTER 
 
JAM D  
 
 Or  JAM E2  
 
 
If a paper jam occurs at the Fusing Roller, follow the same steps to rem\
ove 
the jammed paper as listed for ‘Paper Jam at Paper Exit’. Otherwis\
e, follow 
the steps below:  
 
!  W arn in g 
The Fusing Roller is extremely HOT during operation. Remove the 
paper...

CHAPTER 7 TROUBLE SHOOTING 
7-12 
 
 
1.  Open the Rear Access Cover. 
2.  Remove the jammed paper by 
holding it with both hands and 
pulling it slowly toward you. 
 
 
Fig. 7-3 
3.  Close the Rear Access Cover.  
 
 
 
! Caution 
 Do not touch the toner surface of the jammed paper. It might stain 
your hands or clothes. 
 If you remove the jammed paper and the next printed page is stained 
with toner, print several test pages before restarting your print job. 
 Remove the jammed paper carefully to...