HP LaserJet 400 M401DN Driver

The HP LaserJet 400 M401DN driver connects your Windows PC to this HP monochrome laser printer, allowing applications to send print jobs and access supported printing settings. It is useful for home users and office teams setting up Ethernet network printing, connecting a computer by USB, or restoring printer access after a Windows reinstall.

Key Features

• Network printing support: Enables compatible Windows computers to print to the M401DN over an Ethernet network, making it practical for shared office use.
• Duplex and paper controls: Provides access to automatic two-sided printing, paper sizes, tray selection, and other options supported by the printer and selected driver package.
• Print quality settings: Lets you adjust available output preferences for everyday documents, reports, and text-heavy print jobs.
• Windows driver options: Helps you configure printing on Windows 11, 10, 8, and 7 when a compatible package is available. Check the package details carefully, as support varies by driver version and operating system.

How to Install HP LaserJet 400 M401DN Driver

1. Check your Windows system. Open your PC’s system information to confirm the Windows version and whether it uses a 32-bit or 64-bit architecture. For Windows 10/11, select a package explicitly compatible with your system.
2. Choose the correct download. Before starting your HP LaserJet 400 M401DN driver download for Windows, verify the printer model, supported operating systems, and package source. Choose the latest version compatible with your setup; a legitimate HP printer driver should be available as a free download.
3. Prepare the printer connection. Turn on the printer. For Ethernet printing, connect it to the same network as your PC and note its IP address if needed. For USB installation, follow the installer’s instructions about when to connect the cable.
4. Install the driver. Run the downloaded installer and follow the prompts. Select the network or USB connection method, then choose your printer. If network discovery does not find it, use its IP address where the installer offers that option.
5. Test the setup. Print a test page and check paper size, tray selection, and duplex preferences. Set the M401DN as your default printer if appropriate.

Keep the driver updated to maintain compatibility and address issues covered by newer releases. Before you update, review the supported Windows versions and release notes, especially if your current printing setup works reliably.

Common Issues and Fixes

• Install fails or rolls back: Disconnect the USB cable, remove any existing HP LaserJet 400 M401DN entries in Devices and Printers, then run the HP installer as administrator. Use the full HP driver package instead of the basic Windows Update driver.
• Printer not detected: For USB, use a rear port and a known-good cable. For network, confirm the M401DN’s IP address and that RAW/port 9100 is enabled, then add it by IP using a Standard TCP/IP port on the same subnet.
• Version or port conflicts: Uninstall older HP M401 drivers and remove stale WSD or TCP/IP ports before reinstalling. Set one M401DN driver as default; if Windows Update replaces it, reinstall the HP package or pause automatic driver updates.