The Brother MFC 5840CN driver helps Windows communicate with your multifunction printer, allowing applications to send print jobs and access supported device settings. When choosing a download for Windows 11, 10, 8, or 7, check the package’s compatibility details, since available drivers and functions may differ between Windows versions.

Key Features

• Printing controls: Access supported options for paper size, media type, print quality, and color output to suit everyday documents or graphics.
• Reliable device recognition: Help Windows identify the Brother MFC 5840CN and route print jobs through the appropriate connection.
• Connection support: Set up printing over USB or the printer’s Ethernet network connection, depending on the driver package and your setup.
• Scanning with compatible software: A full driver package may include scanner support or related utilities. A print-only driver will not necessarily enable all multifunction features.

How to Install

1. Check your Windows system. Confirm whether you are using Windows 11, 10, 8, or 7 and identify your system architecture. Choose a package that explicitly supports your operating system; do not assume an older installer will work on a newer version.

1. Prepare the printer. Load paper, turn on the Brother MFC 5840CN, and clear any errors shown on its display. For network installation, connect the printer to the same local network as your computer. For USB installation, follow the installer’s instructions about when to connect the cable.

1. Download and launch the installer. Save the compatible driver package, extract it if required, and open the setup file. Allow administrator access if Windows requests it, then follow the on-screen prompts.

1. Select the connection and device. Choose USB or network installation as appropriate. If the printer is not discovered on the network, check its connection and use its IP address if the setup tool offers that option.

1. Verify the installation. Restart your computer if prompted, then print a test page from Windows printer settings. If your package includes scanning components, test a scan separately to confirm that both functions are ready.

If no package lists your Windows version, check Brother’s compatibility guidance before proceeding. A Windows-provided driver may offer basic printing, but additional features can require separate supported software.

Common Issues and Fixes

• Installer fails or rolls back: Disconnect the MFC-5840CN USB cable, uninstall any existing Brother MFC-5840CN software, run the driver package as administrator, and reconnect the cable only when the installer prompts.
• Device not detected (USB/network): Use a direct USB port instead of a hub; for Ethernet, confirm the printer and PC are on the same subnet and add it by IP address in Windows. Power-cycle the MFC-5840CN before retrying.
• Version conflicts / scanner or fax missing: Remove old Brother drivers and ports via Print Management or Brother’s deletion tool, restart the print spooler, then install the full MFC-5840CN package so print, scan, and fax components match.