Brother Laserprinter Color Hl 3450cn User Guide

							 CHAPTER 7 TROUBLE SHOOTING 
7-13 
   PAPER JAM IN THE PAPER CASSETTE 
 
JAM A1  
 
 Or 
JAM A2  
 
 Or 
JAM A3  
 
 
If a paper jam occurs inside the Paper Cassette, follow these steps:   
1.  Pull out the Paper Cassette. 
2.  Remove the jammed 
paper. 
 
Fig. 7-4 
3.  Re-install the Paper Cassette. 
4.  Open the Rear Access Cover and check that there is no more 
jammed paper inside. 
 
! Caution 
Do not remove the upper Paper Cassette while printing from the optional 
lower Paper Cassette.  This will cause a paper jam. 
  
						

							CHAPTER 7 TROUBLE SHOOTING 
7-14 
 
How to Clear a Paper Jam in the Duplex Unit 
    
   PAPER JAM IN THE DUPLEX COVER TOP  
        ASSEMBLY 
 
JAM B 
 
 
If a paper jam occurs in the Duplex Cover Top Assembly, follow these 
steps:   
1.  Open the Duplex Cover Top Assembly. 
 
2.  If you see a jammed piece of 
paper through the viewing 
window, push the paper down 
and then remove the jammed 
paper. 
 
Fig. 7-5 
    
     
						

							 CHAPTER 7 TROUBLE SHOOTING 
7-15 
   PAPER JAM IN THE LOWER ASSEMBLY OF THE  
        DUPLEX UNIT 
 
JAM C 
 
 
If a paper jam occurs in the Lower Assembly, follow these steps:   
1.  Open the Duplex Lower Cover. 
If you find a jammed piece of 
paper, remove it. 
 
Fig. 7-6 
2.  If you cannot find the jammed 
paper, open the Inside Unit by 
holding the handles and pulling 
it toward the rear.  If you find a 
jammed piece of paper, 
remove it. 
 
Fig. 7-7  
						

							CHAPTER 7 TROUBLE SHOOTING 
7-16 
 
3.  If you cannot still find the 
jammed paper, open the cover 
of the Inside Unit and remove 
the jammed paper.  
Fig. 7-8 
4.  Close the Cover of the Inside Unit, the Inside Unit and the Duplex 
Lower Cover. 
 
     
						

							 CHAPTER 7 TROUBLE SHOOTING 
7-17 
   PAPER JAM IN THE FUSING UNIT WITH THE     
       DUPLEX UNIT INSTALLED 
When the following message appears on the LCD with the Duplex Unit 
installed, follow the steps below to remove the jammed paper.   
JAM E1  
 
 Or 
JAM E2  
 
 
1.  Open the Duplex Lower Cover. 
 
Fig. 7-9 
2.  Open the Inside Unit of the 
Duplex Unit. 
 
Fig. 7-10  
						

							CHAPTER 7 TROUBLE SHOOTING 
7-18 
 
 
3.  Open the Rear Access Cover 
of the printer. 
 
Fig. 7-11 
4.  Open the Duplex Cover Top 
Assembly. 
 
Fig. 7-12 
5.  Open the Top Cover of the printer, and then set the Pressure 
Release Levers of the Fusing Unit to the OPEN position.  
    
Fig. 7-13  
						

							 CHAPTER 7 TROUBLE SHOOTING 
7-19 
 
6.  With all the covers and units 
open, remove the jammed 
paper.  Access and remove the 
jammed paper from the Rear 
Access Cover. 
 
Fig. 7-14 
7.  Set the Pressure Release 
Levers of the Fusing Unit to the 
SET position, and then close 
the Top Cover. 
Fig. 7-15 
8.  Close the Duplex Cover Top Assembly. 
9.  Close the Rear Access Cover of the printer. 
10. Close the Inside Unit and the Duplex Lower Cover of the Duplex 
Unit. 
    
     
						

							CHAPTER 7 TROUBLE SHOOTING 
7-20 
 
   
Q Q
   
& &
   
A A
   
Occasionally you may encounter a difficulty with your HL-3450CN printer. 
This section contains frequently asked questions and the answers. Find 
your question below, and then follow the recommended steps. You can 
correct most problems yourself.  
S S
SE E
E
T T
T
T T
T
I I
I
N N
N
G G
G
   
 U U
UP P
P
   
 
T T
T
H H
H
E E
E
   
 P P
PR R
R
I I
I
N N
N
T T
T
E E
E
R R
R
   
 H H
HA A
A
R R
R
D D
D
W W
W
A A
A
R R
R
E E
E   
 
Question Recommendation 
The printer does not 
come on. Check to verify the following; 
 The printer is securely plugged into the AC outlet. 
The power source is active. 
The power button is on. 
The printer does not 
print. Check the following: 
The printer is turned On. 
The printer is Online. 
All of the protective parts have been removed. 
All the covers of the printer are closed. 
The toner cartridges are installed correctly. 
The ‘toner empty’ message is not displayed on the 
LCD. If one or more toner empty indicators are on, 
replace the toner cartridges. 
The interface cable is securely connected between the 
printer and computer. 
The Alarm LED is blinking. If the LED is blinking, refer 
to the Error Messages section of this manual. 
The HL-3450CN printer is selected in the printer 
settings in your application. 
The host is configured correctly: check printer port, 
print manager, etc. (clear stored job or ‘use print 
manager’ is turned off). 
There is no jammed paper inside the printer. 
Paper is loaded in the Paper Cassette. 
An Error message is not displayed.  
						

							 CHAPTER 7 TROUBLE SHOOTING 
7-21 
S S
SE E
E
T T
T
T T
T
I I
I
N N
N
G G
G
   
 U U
UP P
P
   
 
T T
T
H H
H
E E
E
   
 P P
PR R
R
I I
I
N N
N
T T
T
E E
E
R R
R
   
    
 
Question Recommendation 
I cannot print from my 
application software.  Make sure that the supplied Windows printer driver is 
installed correctly and selected in your application 
software. 
I cannot print the entire 
page.  Check that the size of paper in the feeder is the same 
as the paper size you selected in your application or in 
the printer driver. 
 Check that the interface cable is connected to the 
printer and computer securely. 
Computer indicates a 
device time-out.   If the Alarm LED is blinking, clear it referring to the 
‘Alarm Indications at a Glance’ section in this chapter, 
and then try to print again. 
 If the Alarm LED is off, wait a short while and then 
click the Retry button in the PC screen dialog box. 
 Check that the printer is On Line. 
Computer indicates 
Paper Empty. Paper is empty. Load paper in the Feeder, and then press 
Go to recover from the error status. 
Computer indicates Off 
Line Press Go to put the printer in the Ready state. 
Computer indicates 
Power Off Check that the printer is securely plugged into the AC 
outlet and that the Power button is On. 
Computer indicates an 
error message other 
than above.  Check to verify the following; 
 The computer can work in bi-directional mode. 
 The printer port is correct. 
 Selection of the printer is correct. 
 Recommended interface cable is being used. (IEEE 
1284 compliant) 
Or, select the ‘Control’ tag in the driver and set the ‘Status 
Monitor’ to off. 
If you install the printer 
driver for your HL-
3450CN using the Plug 
& Play installation, the 
installation may fail 
sometimes and display 
the error dialog box as 
shown: 
 
 Please reinstall the printer driver by clicking the ‘Add 
Printer’ icon in the Settings-Printer dialog box. 
 
  
						

							CHAPTER 7 TROUBLE SHOOTING 
7-22 
 
   
 P P
PA A
A
P P
P
E E
E
R R
R
   
 H H
HA A
A
N N
N
D D
D
L L
L
I I
I
N N
N
G G
G   
 
Question Recommendation 
The printer does not 
load paper.  Check to see if the Alarm LED is on. If so, the 
Paper Cassette may be out of paper or not properly 
installed. If it is empty, load a new stack of paper 
into the Paper Cassette. 
 If there is paper in the Paper Cassette, make sure 
that it is straight. If the paper is curled, you should 
straighten it before printing. Sometimes it is helpful 
to remove the paper, turn the stack over, and then 
reload it in the paper tray. 
 Reduce the stack of paper in the Paper Cassette, 
and then try again. 
How can I load 
envelopes? You can load envelopes from the Paper Cassette 
(Tray 1). Make sure you adjust the paper guide. Your 
application software also must be set up correctly to 
print on the envelope size you are using. This is 
usually done in the page setup or document setup 
menu of your software. Refer to your applications 
manual for more information. 
Which paper can I 
use? See ‘Paper Handling’ in Chapter 3 for detailed paper 
specifications. 
How can I clear paper 
jams? See the “Paper Jams” section in this chapter. 
The printer feeds more 
than one sheet at a 
time. Check to verify the following: 
 The paper loaded is all the same type. 
 Paper that meets the specifications is loaded. 
 Paper stack was fanned before loading. 
 The stack of paper is not too high. 
 The side guide is not set too tight. 
Paper skews while 
feeding. Check to verify the following: 
 The side guide is adjusted correctly. 
 The amount of paper you loaded is correct. Refer 
to the ‘PAPER SPECIFICATIONS’ section in 
APPENDIX.  
Sometimes mis-picking 
of paper from the 
paper tray or mis-
feeding of paper from 
the paper exit occurs. Clean the Paper Guide, the Registration Roller and the 
Exit Roller referring to ‘Periodical Printer Cleaning’ in 
Chapter 5.