RJ-4040
FAQs & Troubleshooting |
How can I connect the printer to my mobile device via Wi-Fi®?
- To connect to a wireless network, you must use the Li-ion battery (Optional: PA-BT-4000LI) and AC adapter (Optional: PA-AD-600).
- To print wirelessly using iPad, iPhone, iPod Touch, etc. (hereinafter referred to as “Apple device”), you must use AirPrint.
- AirPrint (compatible with Apple device) can print pictures, PDF files etc.
First you must configure the wireless network settings of your printer to communicate with your wireless router/access point.
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Connect your printer to your wireless router/access point.
- Connect your mobile device to the same wireless router/access point. (You can skip this step if your device is already connected to a Wi-Fi® network.)
- You can now print from your mobile device wirelessly.
If your wireless router/access point supports WPS (Wi-Fi Protected Setup™), do the following:
If you cannot use the wireless router/access point, go to "Connect the printer and the wireless router/access point using your computer (Infrastructure mode)".
Connect using a wireless router/access point (WPS)
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First, confirm that your wireless router/access point has the WPS symbol, and place the printer close to the wireless router/access point.
WPS - Turn on your printer.
- Press and hold the Wi-Fi button until the Wi-Fi () indicator starts blinking in blue.
- Press the WPS button on your wireless router/access point.
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When the connection is established, the Wi-Fi () indicator on your printer will light in blue.
If the Wi-Fi () indicator on your printer does not appear:
Connect the printer and the wireless router/access point using your computer.
Go to "Connect the printer and the wireless router/access point using your computer (Infrastructure mode)". -
Connect your mobile device to the wireless router/access point. (You can skip this step if your device is already connected to a Wi-Fi network.)
- Tap [Settings] - [Wi-Fi] on the mobile device, and slide the toggle button to activate Wi-Fi.
- Select the SSID (Network Name) of the wireless router/access point that you connected to in step 4, and then enter the password. The connection between your mobile device and the wireless router/access point will be established.
- Start the application on your mobile device, and tap the settings icon.
- Select the printer from the list of printers.
- You can now print from your mobile device wirelessly.
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Connect the printer to the wireless router/access point using your computer (Infrastructure mode)
Before you proceed, make sure your computer is equipped with a Wi-Fi interface that is connected to a wireless network. If it is not, the computer will not be able to connect to your printer wirelessly.
- Connect your computer to your wireless router/access point.
- Connect your Brother printer to the same wireless router/access point.
- Connect your printer and computer.
- Connect your mobile device to the same wireless router/access point. (You can skip this step if your device is already connected to a Wi-Fi network.)
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Connect your mobile device and printer.
Before you begin, confirm the SSID (Network Name) and the password (Network Key) of your wireless router/access point.
- Download the printer driver from the [Downloads] section of this website.
- Double-click the downloaded file to begin the installation.
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Click [Next].
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When the screen for selecting the connection method appears, select [Wireless Network Connection], and then click [Next].
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Select [Brother Peer-to-Peer Network Printer] and then click [Next].
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Select [Change the Firewall port settings to enable network connection and continue with the installation. (Recommended)], and then click [Next].
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Prepare the USB cable, select [Yes, I have a USB cable to use for installation], and then click [Next]. Follow the on-screen instructions.
- The wizard will search for wireless networks available to your printer.
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Select the SSID (Network Name) noted beforehand, and then click [Next].
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Type in [Network Key(Password)], and then click [Next].
- Make sure that the setting of Wireless LAN is correct, and then click [Next].
- Disconnect the USB cable between your computer and printer, and then click [Next].
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Select the printer from list, and then click [Next].
- Follow the on-screen instructions to complete the software installation.
- When the installation is complete, and then click [Finish] to close the installer window.
- When the printer is connected to your wireless router/access point, the Wi-Fi () indicator on your printer will light in blue.
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Connect your mobile device to the wireless router/access point. (You can skip this step if your device is already connected to a Wi-Fi network.)
- Tap [Settings] - [Wi-Fi] and slide the toggle button to activate the Wi-Fi function.
- Select the SSID you connected to in step i. Your device and the wireless router/access point will be connected.
- Start your mobile application, and then tap the Settings icon.
- Select the printer from the list.
- You can now print from your mobile device wirelessly.
Ad-hoc mode allows you to connect the printer to your computer or mobile device directly without a Wi-Fi access point/router.
- Turn on the printer.
- Press and hold the Wi-Fi button on your printer for one second to turn the Wi-Fi function on.
- Use your PC to configure the Ad-hoc mode settings of the printer.
- Use your computer or mobile device to select the SSID of your printer, and if you set a password in the Printer Setting Tool, enter the password. When the connection is established, the Wi-Fi () indicator will light in blue.
For Apple devices
The following devices may not support Ad-hoc mode:
- (iOS 14 or later) iPhone 12 series, iPhone 11 series, and iPhone SE 2nd generation
- (iPadOS 14 or later) iPad Pro 5th generation and iPad Air 4th generation
- iPad and iPad mini released after 2021
For computers
Not all computers and operating systems support Ad-hoc mode.
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