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Home > Troubleshooting > Network Problems > If You Are Having Difficulty with Your Machine's Network

If You Are Having Difficulty with Your Machine's Network

Related Models:DCP‑T430W / DCP‑T435W / DCP‑T436W
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For technical help, you must contact Brother customer support.

If you think there is a problem with your machine, check the following topics. You can correct most problems yourself.

If you need additional help, go to your model's FAQs & Troubleshooting page at support.brother.com/faqs.

I Cannot Complete the Wireless Network Setup Configuration

Turn your wireless router off and back on. Then, try to configure the wireless settings again. If you are unable to resolve the problem, follow the instructions below:

Investigate the problem using the WLAN Report.

Cause Action Interface
Your security settings (SSID/Network Key) are not correct.
  • Confirm the security settings using Wireless Setup Helper. For more information and to download the utility, go to your model's Downloads page at support.brother.com/downloads.
  • Select and confirm that you are using the correct security settings.
    • See the instructions supplied with your wireless LAN access point/router for information on how to find the security settings.
    • The manufacturer's name or model number of the wireless LAN access point/router may be used as the default security settings.
    • Consult with the access point/router manufacturer, your Internet provider, or network administrator.
Wireless
Your Brother machine's MAC address is not allowed. Confirm that the Brother machine's MAC Address is allowed in the filter. Wireless
Your wireless LAN access point/router is in stealth mode (not broadcasting the SSID).
  • Enter the correct SSID name or Network Key manually.
  • Check the SSID name or the Network Key in the instructions supplied with your wireless LAN access point/router and reconfigure the wireless network setup.
Wireless

The current channel of your wireless LAN access point/router is not supported by your machine when you are trying to connect your machine to a 5 GHz Wi-Fi network.

Change the channel on your wireless LAN access point/router to the channel supported by your machine.
  1. Confirm the channels supported by your machine. See the Channels Supported by Brother Machines for 5 GHz Wi-Fi Networks document at support.brother.com/manuals.
  2. Check your wireless LAN access point/router's channel setting. Make sure it is set to one of the channels supported by your machine and is not set to "Auto" or "Automatic". For more information about changing the channel setting, see the instructions supplied with your wireless LAN access point/router.
  3. Try to connect your machine to your Wi-Fi network again.
Wireless
Your security settings (SSID/password) are not correct.
  • Confirm the SSID and password.
    • When you configure the network manually, you can find the SSID and password on the Wireless Direct Information sheet.

      For more information, see Related Information: Configure Your Wireless Direct Network.

      If your mobile device supports manual configuration, the SSID and password will be displayed on your mobile device’s screen.

Wireless Direct

You are using Android™ 4.0.

If your mobile device disconnects (approximately six minutes after using Wireless Direct), try the one-push configuration using WPS (recommended) and set the Brother machine as a Group Owner.

Wireless Direct

Your Brother machine is placed too far from your mobile device.

Move your Brother machine within about 3.3 feet (1 metre) of the mobile device when you configure the Wireless Direct network settings.

Wireless Direct

There are some obstructions (walls or furniture, for example) between your machine and the mobile device. Move your Brother machine to an obstruction-free area.

Wireless Direct

There is a wireless computer, Bluetooth®-supported device, microwave oven, or digital cordless phone near the Brother machine or the mobile device. Move other devices away from the Brother machine or the mobile device.

Wireless Direct

You have checked and tried all of the above, but your Brother machine still cannot complete the Wireless Direct configuration.

  • Turn your Brother machine off and back on. Then, try to configure the Wireless Direct settings again.
  • If you are using your Brother machine as a client, confirm how many devices are allowed in the current Wireless Direct network, and then check how many devices are connected.

Wireless Direct

For Windows

If your wireless connection has been interrupted, and you have checked and tried all of the above, we recommend using the Network Connection Repair Tool.

To install the Network Connection Repair Tool, go to your model's Downloads page at support.brother.com/downloads.

My Brother Machine Cannot Print or Scan over the Network

Cause Action
(Your Brother machine suddenly stopped printing or scanning.)

  • Press image(Wi-Fi) and Colour Copy simultaneously.

Your security software blocks your machine's access to the network. (The Network scanning feature does not work. )
  • Windows

    Configure the third-party Security/Firewall Software to allow Network scanning. To add port 54925 for Network scanning, type the information below:

    • In Name:

      Type any description, for example Brother NetScan.

    • In Port number:

      Type 54925.

      Type 137.

      Type 161.

    • In Protocol:

      UDP is selected.

    See the instruction manual that came with your third-party Security/Firewall Software or contact the software manufacturer.

  • Mac

    (Brother iPrint&Scan)

    In the Finder menu bar, click Go > Applications, and then double-click the Brother iPrint&Scan icon. The Brother iPrint&Scan window appears. Click the Select your Machine button, and then follow the on-screen instructions to reselect your network machine.

    image
    Brother iPrint&Scan is available only for DCP-T430W/DCP-T435W/DCP-T436W.
Your security software blocks your machine's access to the network.

Some security software might block access without showing a security alert dialog box even after successful installation.

To allow access, see the instructions for your security software or ask the software manufacturer.

Your Brother machine was not assigned an available IP address.

  • Confirm the IP address and the Subnet Mask.

    Verify that both the IP addresses and Subnet Masks of your computer and the Brother machine are correct and located on the same network.

    For more information about how to verify the IP address and the Subnet Mask, ask your network administrator.

  • Windows

    Confirm the IP address and the Subnet Mask using the Network Connection Repair Tool.

The failed print job is still in your computer's print queue.
  • If the failed print job is still in your computer's print queue, delete it.
  • Otherwise, double-click the printer icon in the following folder and cancel all documents:

    • Windows

      1. Hold down the image key and press the image key on the computer's keyboard to launch Run.
      2. Type "control printers" in the Open: field and click OK.
        image

        The Devices and Printers window appears.

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        If the Devices and Printers window does not appear, click View more devices > More devices and printer settings.

    • Mac

      Click System Preferences or System Settings > Printers & Scanners.

Your Brother machine is not connected to the wireless network.

Print the WLAN Report to check the error code on the printed report.

If you have checked and tried all of the above, but your Brother machine still cannot print and scan, uninstall the drivers (Windows) and the Brother software and reinstall the latest version of both.

I Want to Check that My Network Devices are Working Correctly

Check Action
Check that your Brother machine, access point/router, or network hub is turned on.
Check the following:
  • The power cord is connected correctly and the Brother machine is turned on.
  • The access point/router or hub is turned on and its link indicator is flashing.
  • All protective packaging has been removed from the machine.
  • The document cover and Jam Clear Cover are fully closed.
  • Paper is inserted correctly in the paper tray.
Check that you can "ping" the Brother machine from your computer.

Ping the Brother machine from your computer using the IP address or the node name in the Windows command prompt or Mac Terminal application:

ping <ipaddress> or <nodename>.

  • Successful: Your Brother machine is working correctly and connected to the same network as your computer.
  • Unsuccessful: Your Brother machine is not connected to the same network as your computer.

Windows:

Ask your administrator about the IP address and the subnet mask, and then use the Network Connection Repair Tool.

Mac:

Confirm that the IP address and the Subnet Mask are set correctly.

Check that your Brother machine is connected to the wireless network.

Print the WLAN Report to check the error code on the printed report.

If you have checked and tried all of the above but you are still having problems, see the instructions supplied with your wireless LAN access point/router to find the SSID (Network Name) and the Network Key (Password) information and set them correctly.

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