MFC-9840CDW
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Set up your Brother machine on a wireless network.
You must find out the wireless network settings of your wireless router or access point. Check and write down the current wireless network settings below (you will need this information later):
How to find the Network Name (SSID) and Network Key (Password)
Brother cannot provide this information. If you cannot find your wireless Network Name and Network Key, contact your Internet service provider or router manufacturer.
If you cannot find the Network Name (SSID) and Network Key (Password) of your wireless router or access point, see the following FAQs:
For Windows users
> Click here to see to find the wireless security information for Windows.
For Macintosh users
> Click here to see to find the wireless security information for Macintosh.
After checking the network information of your wireless router or access point, go to step 2 to set up your machine on a wireless network.
If your wireless router or access point uses WEP encryption with multiple WEP keys, write down and use only the first WEP key.
To set up your Brother machine on a wireless network:
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.
> Click here to how to reset the network settings.
The machine's LCD displays Connection Fail or Connection NG or Connection Error.
Make sure your access point is on, and verify your Network Settings collected in Step1.
Temporarily move your machine as close as possible to the access point or router. Try starting from Step 2-2 again.
The machine will automatically acquire the correct TCP/IP address information from your access point/router if DHCP is enabled (DHCP is normally enabled as default for most access point routers).
Once the Brother machine is joined to the network and has a valid IP address, the wireless setup is complete.
After setting up your Brother machine, you must install the driver. To download the driver:
For Windows users
> Go to the Downloads section of this website and download the Full Driver & Software Package.
Follow the installation instructions on the download page.
For Macintosh users
> Go to the Downloads section of this website and download the Full Software Package.
The installation instructions are available on the download page.
If Full Driver & Software Package / Full Software Package is not available for your model, re-install the latest Printer Driver.
The installation instructions are available on the download page.
> Click here to download Printer Driver in the Downloads section.
If you have completed the setup procedure but cannot connect,refer to listed below.
> Click here to see Wireless Network Troubleshooting for Windows.
> Click here to see Wireless Network Troubleshooting for Macintosh.