Brother MFC 640CW - Color Inkjet - All-in-One Quick Setup Manual page 23

Installing the Driver & Software
2
Turn on the machine by plugging in the power
cord.
Improper Setup
If you have previously configured the wireless
settings of the machine you must reset the
network (LAN) settings before you can
configure the wireless settings again.
Press Menu/Set, 5, 0, 1 and then press 1 1.Yes
to accept the change.
The machine will restart automatically.
3
On your machine, press Menu/Set, 5, 6, then
press a or b to choose WLAN, then press
Menu/Set. Press 1 1.Yes to reboot the
machine. The wired network interface will
become inactive with this setting.
It will take about a minute for the LAN menu on
the LCD to become available again.
A four level indicator on the right of your
machine's LCD shows the wireless signal
strength.
4
When the LAN menu becomes available, press
Menu/Set, 5, 3, 1 to start the wireless setup
wizard.
5
The machine will search for your network and
display a list of available SSIDs. You should
see the SSID you wrote down earlier. If the
machine finds more than one network use the
a or b keys to choose your network, then
press Menu/Set.
6
Use the a, b and Menu/Set keys to choose
one of the options below: If your network is
configured for Authentication and Encryption
you must match the settings used for your
network.
No Authentication or Encryption: Choose
Open system, press Menu/Set then choose
None for Encryption Type and press
Menu/Set. Then press 1 1.Yes to apply your
settings. Go to step 9.
No Authentication with WEP Encryption:
Choose Open system, press Menu/Set then
use the a or b to choose WEP for the
Encryption Type and press Menu/Set. Go
to step 7.
Authentication with WEP Encryption:
Choose Shared Key, press Menu/Set. Go to
step 7.
Authentication with WPA-PSK (TKIP)
Encryption: Choose WPA-PSK, press
Menu/Set. Go to step 8.
7
Choose the appropriate key number and press
Menu/Set. Enter the WEP key you wrote down
in step 1 using the dial pad. You can use the d
and c keys to move the cursor. For example, to
enter the letter a, press the 1 key on the dial
pad once. To enter the number 3, press the 3
key on the dial pad seven times.
The letters appear in this order: lower case,
upper case, numbers and then special letters.
Press Menu/Set when you have entered all the
characters, then press 1 1.Yes to apply your
settings. Go to step 9.
Most access points and routers can store
more than one key, but they will only use
one at any time for authentication and
encryption.
8
Enter the WPA-PSK (TKIP) key WPA you wrote
down in step 1 using the dial pad. You can use
the d and c keys to move the cursor. For
example, to enter the letter a, press the 1 key
on the dial pad once. To enter the number 3,
press the 3 key on your dial pad seven times.
Press Menu/Set when you have entered all the
characters, then press 1 1.Yes to apply your
settings. Go to step 9.
9
Your machine will now try to connect to your
wireless network using the information you
have entered. If successful, Connected will
appear briefly on the LCD.
If your machine does not successfully connect
to your network, you should repeat steps 3 to 8
to make sure you have entered the correct
information.
®
Windows
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