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 is installed correctly. 
 
CARD REMOVAL 
The Flash card was removed while the printer was 
powered on.  Power cycle the printer. 
 
BUFFER ERROR 
Check the cable connection between the computer 
and the printer. 
 
STORAGE FULL 
There is not enough space on the Hard Disk. 
 
STORAGE FULL 
The RAMDISK SIZE is set to 0MB or there is no 
more space to store jobs. 
 
STORAGE FULL 
There is no space in the CompactFlash. 
 
DOWNLOAD FULL 
The download buffer of the printer is full.  Add more 
memory to the printer. 
 
MEMORY FULL 
The printer memory is full and the printer is unable to 
print the page.  Add more memory. 
 
PRINT OVERRUN 
Select a lower resolution or set the page protection 
option in the driver to the correct size. 
 
MEMORY SHORTAGE 
Add memory. 
Install additional DIMM 
memory so that the total 
memory size is 64MB or more. 
   
  
						

							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.  Replace it when 
the toner becomes empty. 
FUSER OIL LOW The Oil in the Oil Bottle is 
almost empty. Replace the Oil Bottle. 
REPLACE FCR It is time to replace the 
Cleaning Roller.  Replace the Cleaning Roller.  
REPLACE OPC 
BELT It is time to replace the OPC 
Belt Cartridge.  Replace the OPC Belt 
Cartridge.  
REPLACE FUSER It is time to replace the Fusing 
Unit.  Replace the Fusing Unit.  
REPLACE 120K 
KIT It is time to replace the Drum 
Cleaner, Paper Discharger, 
Transfer Roller, Separator 
Pad, Paper Pick-up Roller 
and Transfer Drum.  Replace the Drum Cleaner, 
Paper Discharger, Transfer 
Roller, Separator Pad, Paper 
Pick-up Roller and Transfer 
Drum.  
REPLACE 240K 
KIT
 It is time to replace the Drum 
Cleaner and the Transfer 
Roller.  Replace the Drum Cleaner and 
the Transfer Roller. 
REPLACE TRF 
DRUM It is time to replace the 
Transfer Drum. Replace the Transfer Drum. 
REPLACE PF 
KIT1 It is time to replace the Paper 
Feeding Kit 1. Consult your dealer for a 
replacement of the Paper 
Feeding Kit 1.  
REPLACE PF 
KIT2 It is time to replace the Paper 
Feeding Kit 2. Consult your dealer for a 
replacement of the Paper 
Feeding Kit 2.  
REPLACE PF 
KIT3 It is time to replace the Paper 
Feeding Kit 3. Consult your dealer for a 
replacement of the Paper 
Feeding Kit 3.  
NEAR WASTE 
TONER The Waste Toner Pack is 
almost full. Replace the Waste Toner 
Pack. 
REPLACE OIL 
PAD It is time to replace the Oil 
Pad. Consult your dealer for a 
replacement of the Oil Pad.   
						

							 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 a few 
seconds, and then turn it on again. 
ERROR EC4 
WARNING  Engine controller 
hardware error. Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EC7 
WARNING  Process timing 
clock error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED1 
WARNING Yellow switching 
clutch error  Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED2 
WARNING Magenta 
switching clutch 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED3 
WARNING Cyan switching 
clutch error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED4 
WARNING Black switching 
clutch error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED5 
WARNING YK switching 
solenoid error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR ED6 
WARNING MC switching 
solenoid error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE1 
WARNING Developing motor 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE2 
WARNING Main motor error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE3 
WARNING Drum error 
Turn off the printer. Wait a few 
seconds, and then turn it on again.  
						

							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 few 
seconds, and then turn it on again. 
ERROR EE8 
WARNING Fuser unit clutch 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EE9 
WARNING Belt marker 
sensor error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EEL 
WARNING Erase LED error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EF0 
WARNING Cooling fan error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EF2 
WARNING Ozone fan error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EF4 
WARNING Fuser fan error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EF5 
WARNING  Charger HV unit 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EH0 
WARNING Fuser thermistor 
error Turn off the printer. Wait 15 minutes, 
and then turn it on again. 
ERROR EH2 
WARNING Fuser 
temperature 2 
error Turn off the printer. Wait 15 minutes, 
and then turn it on again. 
ERROR EH3 
WARNING Fuser 
temperature 3 
error Turn off the printer. Wait 15 minutes, 
and then turn it on again.  
						

							 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 on again. 
ERROR EP1 
WARNING Duplex controller 
hardware error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EP3 
WARNING Feeder pass 
select solenoid 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EP4 
WARNING Duplex motor 
error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EP5 
WARNING Outer pass select 
solenoid error Turn off the printer. Wait a few 
seconds, and then turn it on again. 
ERROR EP6 
WARNING Optional fan error 
Turn off the printer. Wait a few 
seconds, and then turn it on again. 
  
						

							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 
JAM A1 
JAM A2 
JAM A3 Paper jam occurred inside of the printer. 
JAM B 
Paper jam occurred in the Upper Assembly of the 
Duplex Unit. 
JAM C 
Paper jam occurred in the Lower Assembly of the 
Duplex Unit. 
JAM D  
Paper jam occurred at the Fusing Roller. 
JAM E1 
Paper jam occurred at the paper exit. 
JAM E2 
Paper jam occurred at the Fusing Roller. 
JAM X* 
Refer to the diagram in the printer and check the location. 
Remove the jammed paper.  
						

							 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 the instructions, the printer will resume printing 
automatically. However, the Data LED may come on and the following 
message may appear on the display: 
 
PAUSE 
 
 
After a paper jam has occurred, data usually remains in the printer memory. 
The message prompts you to execute a form feed and print the remaining 
data. Press Go to continue.  
  
						

							CHAPTER 7 TROUBLE SHOOTING 
7-10 
 
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 the Top Cover, 
and then close the Rear Access Cover. 
  
						

							 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 carefully. 
  
						

							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 prevent spreading toner. 
 Take care not to stain your hands and clothes. Wash toner stains 
immediately with cold water. 
 Never touch the transfer roller. 
 If the paper in the paper cassette is creased at the edges, paper jams 
can occur. To avoid this, please turn the paper over.