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Home > Troubleshooting > Network Problems > If You Are Having Difficulty with Your Machine's Network > My Machine Cannot Print, Scan, or Use the PC-FAX Receive Function over the Network

My Machine Cannot Print, Scan, or Use the PC-FAX Receive Function over the Network

Cause Action

Your machine disconnects from the wireless network.

  • DCP-B7620DW/DCP-B7640DW/MFC-B7810DW/MFC-B7811DW

    1. Press Wi-Fi.

    2. Press image or image to select the Recover WLAN option, and then press OK.

    3. When your wireless device connects successfully, the machine displays Connected.

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.

    • 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.

Your security software blocks your machine's access to the network. (The network PC-Fax Receive feature does not work.)

(Windows)

Set the third-party Security/Firewall Software to allow PC-FAX Rx. To add port 54926 for Network PC-FAX Rx, type the information below:

  • In Name:

    Type any description, for example Brother PC-FAX Rx.

  • In Port number:

    Type 54926.

  • In Protocol:

    UDP is selected.

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

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.

A failed print job is still in your computer's print queue.
  • If a failed print job is still in your computer's print queue, delete it.
  • Otherwise, select 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.

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

    • Mac:

      Click System Settings > Printers & Scanners or System Preferences > Printers & Scanners.

Your machine is not connected to the wireless network.

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

See Related Information: Print the WLAN Report.

If you have checked and tried all of the above, but you are still having problems, uninstall the drivers (Windows) and the software and reinstall the latest ones.

Related Information
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