Samsung ML 3471ND User Manual

							
9.9   
Solving general printing problems
For problems with the operation of yo ur printer, refer to the table for 
suggested solutions.
ConditionPossible causeSuggested solutions
The printer 
does not 
print. The printer is not 
receiving power.
Check the power cord 
connections. Check the power 
switch and the power source.
The printer is not 
selected as the 
default printer. Select 
 
Samsung ML-3470 
Series
  as your default printer.
The printer cover 
is not closed. Close the printer cover.
Paper is jammed. Clear the paper jam. See  page 9.1.
No paper is 
loaded. Load paper. See page 5.4.
The toner 
cartridge is not 
installed. Install the toner cartridge.
The printer may 
be in manual feed 
mode and out of 
paper. Check the display message, 
add paper to the multi-purpose 
tray, and press 
OK on the 
printer’s control panel.
The connection 
cable between 
the computer and 
the printer is not 
connected 
properly. Disconnect the printer cable 
and reconnect it.
The connection 
cable between 
the computer and 
the printer is 
defective. If possible, attach the cable to 
another computer that is 
working properly and try to print 
a document. You can also try 
using a different printer cable.
The port setting is 
incorrect. Check the Windows printer 
setting to make sure that the 
print job is sent
 to the correct 
port. If the computer has more 
than one port, make sure that 
the printer is attached to the 
correct one.
The printer 
does not 
print.
(Continued) The printer may 
be configured 
incorrectly. 
Check the printer properties to 
ensure that all of the print 
settings are correct. 
The printer driver 
may be 
incorrectly 
installed. Reinstall the printer driver; See 
the 
Software Section . Try 
printing a test page.
The printer is 
malfunctioning. Check the display message on 
the control panel to determine if 
the printer is indicating a 
system error.
Printer 
selects print 
materials 
from the 
wrong paper 
source. The paper source 
selection in the 
printer properties 
may be incorrect. For many software 
applications, the paper source 
selection is found under the 
Paper tab within the printer 
properties. Select the correct 
paper source. See the 
Software Section
.
Paper does 
not feed into 
the printer. Paper has not 
been loaded 
correctly.
Remove paper from the tray 
and reload it correctly.
Check that the paper size 
guides are set correctly.
There is too much 
paper in the tray. Remove excess paper from the 
tray.
The paper is too 
thick. Use only paper that meets 
printer specifications.
Print job is 
extremely 
slow. The job may be 
very complex. Reduce the complexity of the 
page(s) or try adjusting the 
print quality settings.
To adjust the print quality 
settings, reduce the resolution. 
If you have set the resolution to 
1200 dpi 
(Best ), change it to 
600 dpi  (Normal ). See the 
Software Section .
Change the port setting to the 
USB or network port to improve 
print speed.
Your printer prints A4-sized 
paper at 33 ppm and letter-
sized paper at 35 ppm and your 
printer prints A4-sized paper at 
17 ipm and letter-sized paper at 
18 ipm in the duplex printing 
mode.
The computer 
may have 
insufficient 
random-access 
memory (RAM).  Install more memory in your 
printer. See page 10.1.
ConditionPossible causeSuggested solutions
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9.10   
Half the page 
is blank. The page layout 
is too complex.
Simplify the page layout and 
remove any unnecessary 
graphics from the document.
Install more memory in your 
printer. See page 10.1.
The page 
orientation setting 
may be incorrect. Change the page orientation in 
your application. See the 
Software Section
.
The paper size 
and the paper 
size settings do 
not match. Ensure that the paper size in 
the printer driver settings 
matches the paper in the tray.
Or, ensure that the paper size 
in the printer driver settings 
matches the paper selection in 
the software application 
settings you use.
The paper 
keeps 
jamming. There is too much 
paper in the tray.
Remove excess paper from the 
tray. 
If printing on special materials, 
use the multi-purpose tray.
An incorrect type 
of paper is being 
used. Use only paper that meets 
printer specifications.
If printing on special materials, 
use the multi-purpose tray.
An incorrect 
output method is 
being used. Special print materials, such as 
thick paper, should not be 
printed using the output tray 
(face-down). Use the rear 
cover (face-up) instead.
There may be 
debris inside the 
printer. Open the front cover and 
remove the debris.
The printer 
prints, but 
the text is 
wrong, 
garbled, or 
incomplete. If you are under 
the DOS 
environment, the 
font setting for 
your machine 
may be set 
incorrectly.
Change the font setting. 
See page 2.6.
The printer cable 
is loose or 
defective. Disconnect and reconnect the 
printer cable. Try a print job that 
you have already printed 
successfully. If po
ssible, attach 
the cable and printer to another 
computer and try a print job 
that you know works. Finally, 
try a new printer cable.
ConditionPossible causeSuggested solutions
The printer 
prints, but 
the text is 
wrong, 
garbled, or 
incomplete.
(Continued) The wrong printer 
driver was 
selected.
Check the application’s printer 
selection menu to ensure that 
your printer is selected.
The software 
application is 
malfunctioning. Try printing a job from another 
application.
The operating 
system is 
malfunctioning. If printing from Windows (any 
version), exit to a DOS prompt 
and verify functionality with the 
following command: At a 
C:\ 
prompt, type  Dir LPT1, and 
press 
OK. (This assumes you 
are connected to LPT1.)
Exit Windows and reboot the 
computer. Turn the printer off 
and then back on again.
Pages print, 
but are 
blank. The toner 
cartridge is 
defective or out of 
toner.
Redistribute the toner 
cartridge. See page 8.3.
If necessary, replace the toner 
cartridge. See page 8.4.
The file may have 
blank pages. Check the file to ensure that it 
does not contain blank pages.
Some parts, such 
as the controller 
or the board, may 
be defective. Contact a service 
representative.
The 
illustrations 
print 
incorrectly in 
Adobe 
Illustrator. The setting in the 
software 
application is 
wrong.
Select 
Download as Bit Image  
in the 
Advanced Options 
window of the graphic 
properties. Print the document 
again.
The printer 
does not 
print PDF file 
correctly. 
Some parts 
of graphics, 
text, or 
illustrations 
are missing. Incompatibility 
between the PDF 
file and the 
Acrobat products.
Printing the PDF file as an 
image may solve this problem. 
Turn on 
Print As Image  from 
the Acrobat printing options. 
Note: it will take longer to print 
when you print a PDF file as an 
image.
ConditionPossible causeSuggested solutions
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9.11   
Solving print quality problems
Dirt inside of the printer or improper paper loading may reduce print 
quality. See the table below  to troubleshoot problems. 
ConditionSuggested solutions
Light or faded 
print If a vertical white streak or faded area appears on 
the page:
• The toner supply is low. You may be able to 
temporarily extend the toner cartridge life. See 
page 8.3. If this does not improve print quality, 
install a new toner cartridge.
• The paper may not meet paper specifications  (for example, the paper is too moist or too 
rough). See page 5.3.
• If the entire page is light, the print resolution  setting is too light or toner save mode is on. 
Adjust the print resolution and toner save mode 
in the printer properties. See the  Software 
Section .
• A combination of faded or smeared defects 
may indicate that the printer needs cleaning. 
See page 8.1.
• The surface of LSU may be dirty. Clean the 
LSU. See page 8.1.
To n e r  s p o ts • The paper may not meet  specifications (for 
example, the paper is to o moist or too rough). 
See page 5.3.
• The transfer roller or paper path may be dirty. 
See page 8.1.
Dropouts If generally rounded, faded areas occur randomly 
on the page:
• A single sheet of paper may be defective. Try 
reprinting the job.
• The moisture content of the paper is uneven or  the paper has moist spots on its surface. Try a 
different brand of paper. See page 5.3.
• The paper lot is bad. The manufacturing  processes can cause some areas to reject 
toner. Try a different kind or brand of paper.
• The toner cartridge may be defective. See  “Vertical repetitive defects” on the next page.
• If these steps do not  correct the problems, 
contact a service representative.
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Vertical lines
If black vertical streaks appear on the page:
• The drum inside the toner cartridge has probably been scratched. Install a new toner 
cartridge. 
Gray 
background If the amount of background shading becomes 
unacceptable, the procedures below may fix the 
problem.
• Change to lighter weight pages. See page 5.3.
• Check the printer’s envi
ronment; very dry (low 
humidity) or high humidity (higher than 80% 
RH) conditions can increase the amount of 
background shading.
• Remove the old toner cartridge and install a  new one. See page 8.4.
Toner smear • Clean the inside of the printer. See page 8.1.
• Check the type and quality. See page 5.2.
• Remove the toner cartridge and install a new 
one. See page 8.4.
Ve r t ic a l 
repetitive 
defects If marks repeatedly appear on the printed side of 
the page at even intervals:
• The toner cartridge may be damaged. If a 
repetitive mark occurs on the page, print a 
cleaning sheet several times to clean the 
cartridge; see page 8.2.  After the printout, if 
you still have the same problems, install a new 
toner cartridge. See page 8.4.
• Parts of the printer may have toner on them. If  the defects occur on the back of the page, the 
problem will likely correct itself after a few more 
pages.
• The fusing assembly may be damaged.  Contact a service representative.
ConditionSuggested solutions
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9.12   
Background 
scatter Background scatter results from bits of toner 
distributed on the printed page. 
• The paper may be too damp. Try printing with a 
different batch of paper. Do not open packages 
of paper until necessary  so that the paper does 
not absorb too much moisture.
• If background scatter occurs on an envelope,  change the printing layout to avoid printing over 
areas that have overlapping seams on the reverse 
side. Printing on seams can cause problems.
• If background scatter covers the entire surface area of a printed page, adjust the print 
resolution through your software application or 
via the printer properties window.
Misformed 
characters • If characters are improperly formed and 
producing hollowed images, the paper stock 
may be too slick. Try a different paper. See 
page 5.3.
• If characters are improperly formed and  producing a wavy effect, the scanner unit may 
need service. Verify that it also occurs on a 
demo page (see page 2.5). For service, contact 
a service representative.
Page skew • Ensure that the paper is loaded properly.
• Check the paper type and quality. See 
page 5.2.
• Ensure that the paper or other material is 
loaded correctly and the guides are not too 
tight or too loose against the paper stack.
Curl or wave • Ensure that the paper is loaded properly.
• Check the type and quality. Both high 
temperature and humidity can cause paper 
curl. See page 5.2.
• Turn over the stack of paper in the tray. Also try  rotating the paper 180° in the tray.
• Try printing to the rear cover (face-up).
Wrinkles or 
creases • Ensure that the paper is loaded properly.
• Check the paper type and quality. See 
page 5.2.
• Open the rear cover and  try printing to the rear 
cover (face-up).
• Turn over the stack of paper in the tray. Also try  rotating the paper 180° in the tray.
ConditionSuggested solutions
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Back of 
printouts are 
dirty • The transfer roller may be dirty. See page 8.1.
• Check for leaking toner. Clean the inside of the 
printer. 
Solid color or 
Black pages • The toner cartridge may not be installed 
properly. Remove the cartridge and reinsert.
• The toner cartridge may be defective and need  replacing. Install a new toner cartridge.
• The printer may require repair. Contact a  service representative.
Loose toner • Clean the inside of the printer. 
• Check the paper type and quality. See 
page 5.2.
• Install a new toner cartridge. See page 8.4.
• If the problem persists, the printer may require 
repair. Contact a service representative.
Character 
Vo i d s Character voids are white areas within characters 
that should be solid black:
• If you are using transparencies, try another 
type of transparency. Because of the 
composition of the transparency, some 
character voids may be normal. 
• You may be printing on the wrong surface on 
the paper. Remove the paper and turn it 
around. 
• The paper may not meet paper specifications. 
See page 5.3.
Horizontal 
stripes If horizontally aligned black streaks or smears 
appear:
• The toner cartridge may be installed 
improperly. Remove the cartridge and reinsert.
• The toner cartridge may be defective. Install a  new toner cartridge. See page 8.4.
• If the problem persists, the printer may require  repair. Contact a service representative.
ConditionSuggested solutions
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9.13   
Common Windows problems
Note
Refer to Microsoft Windows User’s Guide that came with your 
computer for further informat ion on Windows error messages.
Curl
If the printed paper is curled or paper does not 
feed into the printer:
• Turn over the stack of paper in the tray. Also try rotating the paper 180° in the tray.
• Try printing to rear cover.
An unknown 
image 
repetitively 
appears on a 
next few sheets 
or loose toner, 
light print, or 
contamination 
occurs. Your printer is probably being used at an altitude 
of 1,000 m (3,281 ft) or above.
The high altitude may affect the print quality such 
as loose toner or light imaging. You can set this 
option through 
Printer Settings Utility  or Printer  
tab in printer drivers properties. See  page 1.5.
ConditionSuggested solutions
“File in Use” 
message appears 
during installation. Exit all software applications. Remove all 
software from the StartUp Group, then restart 
Windows. Reinstall the printer driver.
“Error Writing to 
LPTx” message 
appears. • Ensure that the cables are connected 
correctly, the printer is on.
• If bi-directional communication is not turned  on in the driver, it will also cause this 
message.
“General Protection 
Fault”, “Exception 
OE”, “Spool32”, or 
“Illegal Operation” 
messages appear. Close all other applicat
ions, reboot Windows 
and try printing again.
“Fail To Print,” “A 
printer timeout error 
occurred,” 
messages appear. These messages may appear during printing. 
Just keep waiting until the printer finishes 
printing. If the message appears in standby 
mode or after printing has been completed, 
check the connection and/or whether an error 
has occurred.
ConditionSuggested solutionsCommon PostScript problems
The following situations are PostScri
pt language specific and may occur 
when several printer languages are being used.
Note
To receive a printed or screen displayed message when 
PostScript errors occur, open the Print Options window and 
click the desired selection next to  the PostScript errors section.
ConditionPossible causeSuggested solutions
PostScript file 
can not be 
printed. The PostScript 
driver may not 
be installed 
correctly.• Print a configuration page 
and verify that the PostScript 
version is available for 
printing.
• Install the PostScript driver.
• If problem consists, contact a 
service representative.
“Limit Check 
Error” message 
appears. The print job 
was too 
complex.You might need to reduce the 
complexity of the page or install 
more memory.
A PostScript 
error page 
prints. Print job may 
not be 
PostScript.Make sure that the print job is a 
PostScript job. Check to see 
whether the software 
application expected a setup or 
PostScript header file to be sent 
to the printer.
The optional 
tray 2 is not 
selected in the 
driver. The printer 
driver has not 
been 
configured to 
recognize the 
optional tray 2.Open the PostScript driver 
properties, select the 
Device 
Settings  tab, and set the  Tr a y 2 
option of the  Installable 
Options  section to  Installed.
When print a 
document in 
Macintosh with 
Acrobat Reader 
6.0 or higher, 
colors print 
incorrectly. The resolution 
setting in the 
printer driver 
may not be 
matched with 
that in Acrobat 
Reader.Make sure that 
the resolution 
setting in your printer driver 
matches that in Acrobat 
Reader.
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9.14   
Common Linux problems
ConditionSuggested solutions
The printer doesn’t 
print. • Check if the printer driver is installed in your 
system. Open Unified Dr iver Configurator 
and switch to the Printers tab in Printers 
configuration window to  look at the list of 
available printers. Make sure that your 
machine is displayed  on the list. If not, 
please, invoke Add new printer wizard to set 
up your device. 
• Check if the printer is  started. Open Printers 
configuration and select your machine on 
the printers list. Look  at the description in 
the Selected printer pane. If its status 
contains “(stopped)” string, please, press 
the  Start  button. After that normal operation 
of the printer should be restored. The 
stopped status might be activated when 
some problems in printing occurred. 
• Check if your application has special print 
option such as “-oraw”. If “-oraw” is 
specified in the command line parameter 
then remove it to print properly. For Gimp 
front-end, select “pri nt” -> “Setup printer” 
and edit command line parameter in the 
command item.
I encounter error 
“Unable to open 
MFP port device 
file!” when printing 
a document. Please avoid changing print job parameters 
(via LPR GUI, for example) while a print job is 
in progress. Known versions of CUPS server 
break the print job whenever print options are 
changed and then try to restart the job from 
the beginning. Since Unified Linux Driver 
locks port while printing, the abrupt 
termination of the driver
 keeps the port locked 
and therefore unavailable for subsequent print 
jobs. If this situation  occurred, please, try to 
release the port.
When printing a 
document over the 
network in SuSE 
9.2, the printer 
does not print. The CUPS (Common Unix
 Printing System) 
version distributed with SuSE Linux 9.2 
(cups-1.1.21) has a problem with IPP 
(Internet Printing Protocol) printing. Use the 
socket printing instead of IPP or install later 
version of CUPS (cups-1.1.22 or higher).
Common Macintosh problems
ConditionSuggested solutions
The printer does not 
print PDF file correctly. 
Some parts of graphics, 
text, or illustrations are 
missing. Incompatibility between the PDF file and 
the Acrobat products:
Printing the PDF file as an image may 
solve this problem. Turn on 
Print As 
Image  from the Acrobat printing options. 
Note: it will take longer to print when you 
print a PDF file as an image.
The document has 
printed, but the print job 
has not disappeared 
from the spooler in Mac 
OS 10.3.2. Update your Mac OS to OS 10.3.3 or 
higher.
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10.1   
10 Installing accessories
Your printer is a full-featured laser  printer that has been optimized to 
meet most of your printing needs.  Recognizing that each user may have 
different requirements, however, Samsung makes several accessories 
available to enhance the printer’s capabilities.
This chapter includes:
• Precautions when installing accessories
• Installing a memory DIMM
• Installing a wireless network interface card
Precautions when installing accessories
Disconnect the power cord: 
Never remove the control board cover while the power is being supplied.
To avoid the possibility of an elec trical shock, always disconnect the 
power cord when installing or removing ANY internal or external 
accessories.
Discharge static electricity: 
The control board and internal accesso ries (network interface card and 
memory DIMM) are sensitive to static  electricity. Before installing or 
removing an internal accessories, di scharge static electricity from your 
body by touching something metal, such as the metal back plate on any 
device plugged into a grounded power source. If you walk round before 
finishing installation, discharge any static electricity once again.
Installing a memory DIMM
Your printer has a dual  in-line memory module (DIMM) slot. Use this 
DIMM slot to install additional memory.
ML-3470D  has 32 MB of memory which can be expanded to 288 MB. 
ML-3471ND  has 64 MB of memory which can be expanded to 320 MB. 
For order information for optional memory DIMM’s, see page 7.1.
1 Turn the printer power off and unplug all cables from the printer. 2
Grasp the control board cover and slide toward you to open it.
3 Completely open the latch on each side of the DIMM slot.
4 Take out a new memory DIMM from the plastic bag.
5 Holding the memory DIMM by the  edges, align the notches on the 
memory DIMM with the grooves  on the memory DIMM slot.
1control board cover
1
1latch
1
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10.2   
6 Push the DIMM straight into the DIMM  slot until it snaps into place. 
Make sure the latches fit over the  notches located on either side of 
the DIMM.
7 Replace the control board cover.
8 Reconnect the power cord and printer cable, and turn the printer 
on.
Setting the memory in  the PostScript printer 
properties
After installing the memory DIMM, you need to select it in the printer 
properties of the PostScript printe r driver so that you can use it.
1 Make sure that the PostScript prin ter driver is installed in your 
computer. To installing the PostScript printer driver, you need to 
select  Custom  and put a check mark on the PostScript printer 
driver. See the  Software Section .
2 Click the Windows  Start menu.
3 For Windows 2000, select  Settings and then  Printers.
For Windows XP/2003, select  Printers and Faxes.
For Windows Vista/2008, select  Control Panel > Hardware and 
Sound  > Printers .
For Windows 7, select  Control Panel > Hardware and Sound  > 
Devices and Printers .
For Windows Server 2008 R2, select  Control Panel > Hardware  > 
Devices and Printers .
4 Select the  Samsung ML-3470 Series  printer.
5 Click the right mouse button on the printer icon and select 
Properties .
6Select  Device Settings  tab.
7 Select the amount of memory you installed from  Printer Memory in 
the  Installable Option  section.
8 Click  OK.
Installing a wireless network interface card
ML-3471ND  is equipped with a network interface which allows you to 
use your printer on a network. You can also purchase a wireless network 
interface card to enable the use of the printer in wireless network 
environments
For order information, see page 7.1.
Review the precautions on page 10.1 and then follow this procedure to 
install the wireless network interface card in your printer.
1 Turn the printer power off and unplug all cables from the printer.
2 Grasp the control board cover and slide toward you to open it. 
3 Align the connector on the wireless network interface card with the 
connector on the control board. Push the card firmly into the 
connector on the control board until it is completely and securely in 
place.
1control board cover
1
1connector
2wireless network 
interface card
1
2
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10.3   
4 Replace the control board cover.
5 Reconnect the power cord and turn the printer on.
Note
You can also configure the netwo rk parameters on the control 
panel; see the next column.Configuring the wireless network parameters
After installing the wireless network card, you must configure the 
appropriate network parameters to use your printer in a wireless 
network. To do this, you can use bot h control panel and SyncThru Web 
Service, an embedded web site of your printer. This section gives you 
basic information on 802.11b/g network parameters which can be 
configured from the control panel.
Configuring basic network settings
You can configure basic wireless se ttings, such as SSID, Operation 
Mode, and channels. You can retrieve basic settings by selecting a 
wireless network or manually configure them as you need.
1 Press  Menu until Network  appears on the bottom line of the 
display and press  OK.
2 Press the  scroll buttons until  Wireless appears and press  OK.
3 Press  OK when  WLAN Basic  appears.
4 Press the  scroll buttons to select the se tup method you want and 
press  OK.
•  Search List : The wireless network interface card on your printer 
searches for wireless networks in  the area and shows the results.
•  Custom : You can configure the wirel ess settings according to 
your needs.
5 If you selected  Search List, press the scroll buttons to select a 
network and press  OK.
If you selected  Custom, set each network options:
•  Edit SSID : Enter the SSID, the name t hat identifies a wireless 
network. SSID is case-sensiti ve so you need to enter it.
•  Operation Mode : Select the type of wireless connections. 
  In  Ad-Hoc  mode, wireless cards communicate directly each other. 
  In  Infrastructure  mode, network cards co mmunicate with each 
other through an access point, which allows both wireless and 
cabled cards to send  files to the printer. If you select  Auto, the 
printer selects the operation mode automatically, according to the 
network cable’s connection each time it boots up.
Note
In  Ad-Hoc  mode, even if the network cable is connected, 
your printer will use the wireless interface.
•  Channel : This option is available only in the Ad-Hoc mode. In 
most cases, you will not need to change this setting. The printer 
will scan all available channels for the specified network and will 
adapt its channel to the one detected.
6 When you have finished, press  Stop to return to Standby mode.
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10.4   
Selecting the authentication type
Authentication is a process of identifying the legitimacy of an user to 
access a network. You can select whether or not authentication is used.
1 Press  Menu until Network  appears on the bottom line of the 
display and press  OK.
2 Press the  scroll buttons until  Wireless appears and press  OK.
3 Press the  scroll buttons until  WLAN Security  appears and press 
OK .
4 Press the  scroll buttons until  Static WEP appears and press  OK.
5 Press the  scroll buttons until  Authentication  appears and press 
OK .
6 Press the  scroll buttons to select the type you want.
•  Open System : Authentication is not used.
•  Shared Key : Authentication is used.
7 Press  OK to save your selection.
8 Press  Stop to return to Standby mode.
Setting Encryption
If your network uses WEP encryptio n keys, you can must select the 
appropriate encryption type and  configure encryption keys. You can 
configure up to four keys. The active  key must match the key value and 
key position (for example, Key 1) configured on other wireless devices in 
the network.
1 Press  Menu until Network  appears on the bottom line of the 
display and press  OK.
2 Press the  scroll buttons until  Wireless appears and press  OK.
3 Press the  scroll buttons until  WLAN Security  appears and press 
OK .
4 Press the  scroll buttons until  Static WEP appears and press  OK.
5 Press the  scroll buttons until  Encryption appears and press  OK.
Note
If you have set the authentication type to  Open System, the 
Encryption  menu does not display.
6 Set each encryption option and press  OK.
•  Encrypt. Type : Select an encryption type: 
•  Key Type : Select the key type of your network.
•  Using Key : Select the key to be used in your network.
•  Edit Key : Enter the key number for the selected key position. The 
numbers you can enter as follows:
Hexadecimal Alphanumeric
64-bit WEP 10 digits 5 characters
7 When you have finished, press  Stop to return to Standby mode.
Restoring default values for wireless networking
If the problem occurrs when you use or set up the wireless network 
values, take following stop s to restore factory default values. Generally, 
factory values of wireless networking are optimized for your printer.
1 Press  Menu until Network  appears on the bottom line of the 
display and press  OK.
2 Press the  scroll buttons until  Wireless appears and press  OK.
3 Press the  scroll buttons until  WLAN Default  appears and press 
OK .
4 When   Restore  appears on the bottom line of the display, press 
OK . The printer starts restoring the default values.
128-bit WEP 26 digits 13 characters
Hexadecimal Alphanumeric
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