HP LaserJet Pro M402dn Driver Installation, Network Setup & Troubleshooting Guide 2025

The HP LaserJet Pro M402dn is a reliable monochrome laser printer with duplex printing and network connectivity. Note: The HP LaserJet Pro M402dn supports USB and Ethernet (wired network) connectivity only - it does not support WiFi or wireless connectivity. This guide covers HP LaserJet Pro M402dn driver installation, Ethernet network setup, and troubleshooting for Windows 10, Windows 11, and macOS.

HP LaserJet Pro M402dn Driver Download

Download the latest HP LaserJet Pro M402dn drivers from HP's official website:

1. Visit support.hp.com
2. Enter "LaserJet Pro M402dn" in the search box
3. Select your operating system (Windows 10/11 or macOS)
4. Download the HP Universal Print Driver or Full Feature Driver
5. Run the installer and follow the setup wizard

Installing HP LaserJet Pro M402dn Drivers on Windows

Method 1: HP Smart App (Recommended)

1. Download HP Smart from Microsoft Store
2. Open HP Smart and click "Add Printer"
3. Select "Set up a new printer"
4. HP Smart will automatically detect and install HP LaserJet Pro M402dn drivers
5. Follow on-screen instructions to complete setup

Method 2: Manual Driver Installation

1. Download HP LaserJet Pro M402dn driver package from HP website
2. Extract the downloaded file
3. Run setup.exe as Administrator
4. Select "Install Printer Driver"
5. Choose connection type (USB or Network/Ethernet)
6. Complete the installation wizard

HP LaserJet Pro M402dn Ethernet Network Setup

Important: The M402dn connects via Ethernet cable only - it does not support WiFi. Connect the printer to your network router or switch using an Ethernet cable.

Setting Up Ethernet Connection

1. Connect one end of an Ethernet cable to the Ethernet port on the HP LaserJet Pro M402dn
2. Connect the other end to an available port on your router or network switch
3. Turn on the printer
4. Wait 30-60 seconds for the printer to obtain an IP address from your network
5. Print a network configuration page from the printer control panel to verify the IP address
6. Note the IP address shown on the configuration page

Verifying Network Connection

1. On your computer, open Command Prompt (Windows) or Terminal (Mac)
2. Type ping [printer IP address] (replace with actual IP from configuration page)
3. If you receive replies, the printer is connected to the network
4. If you get "Request timed out", check the Ethernet cable connection

HP LaserJet Pro M402dn Troubleshooting

Issue: "Driver Not Found" Error

Solution:

1. Uninstall existing HP LaserJet Pro M402dn driver from Device Manager
2. Restart your computer
3. Download fresh driver from HP website
4. Install driver in Administrator mode

Issue: HP LaserJet Pro M402dn Shows Offline

Solution:

1. Check printer is powered on and connected
2. Go to Settings > Devices > Printers & scanners
3. Right-click HP LaserJet Pro M402dn → "Use printer online"
4. Update HP LaserJet Pro M402dn driver if issue persists

Issue: HP LaserJet Pro M402dn Not Connecting to Network

Solutions:

• Check Ethernet cable is securely connected at both ends
• Verify Ethernet cable is not damaged (try a different cable)
• Ensure printer and computer are on the same network
• Print network configuration page to check IP address
• Restart printer and router
• Check router port is active (try a different port)
• Verify network switch/router is powered on and functioning

HP LaserJet Pro M402dn Network Driver Setup

For Ethernet network-connected HP LaserJet Pro M402dn printers:

1. Ensure printer is connected to network via Ethernet cable
2. Print network configuration page from printer control panel
3. Note the printer IP address from the configuration page
4. On Windows: Settings > Devices > Add printer > Add printer using IP address
5. Enter printer IP address
6. Select "HP Universal Print Driver" or specific M402dn driver
7. Complete the installation wizard

Note: The M402dn requires a wired Ethernet connection. Make sure the Ethernet cable is securely connected at both ends.

HP LaserJet Pro M402dn Driver for Mac

1. Download HP LaserJet Pro M402dn driver from HP website (macOS version)
2. Open downloaded .dmg file
3. Run HP Easy Start or installer package
4. Follow installation wizard
5. Add printer in System Preferences > Printers & Scanners
6. Select Ethernet network connection (Bonjour or IP address)

HP LaserJet Pro M402dn Toner Cartridge

HP LaserJet Pro M402dn uses:

• HP 85A Black Original Toner Cartridge (standard yield: ~1,200 pages)
• HP 85X Black High-Yield Toner Cartridge (high yield: ~2,600 pages)

Note: The M402dn model includes automatic duplex printing, which can help save paper.

HP LaserJet Pro M402dn Duplex Printing

The M402dn features automatic duplex printing. To enable:

1. Open print dialog on your computer
2. Select "Printer Properties" or "Preferences"
3. Navigate to "Finishing" or "Layout" tab
4. Select "Print on Both Sides" or "Duplex Printing"
5. Choose binding option (long edge or short edge)
6. Click "OK" and print

HP LaserJet Pro M402dn Common Issues

Paper Jams

If you experience paper jams:

1. Turn off printer and unplug power cord
2. Open all access doors (front, rear, duplexer)
3. Remove jammed paper carefully (pull in direction of paper flow)
4. Check for torn paper pieces
5. Close all doors and restart printer

Low Toner Warnings

When toner is low:

1. Replace HP 85A or HP 85X toner cartridge
2. Open front access door
3. Remove old cartridge and install new one
4. Close door and wait for printer to calibrate
5. Print a test page to verify installation

Duplex Printing Issues

If you experience issues with automatic duplex printing:

• Ensure duplex unit is properly installed and closed
• Check for paper jams in the duplex path
• Verify paper size and type are supported for duplex printing
• Check printer settings to ensure duplex printing is enabled

Updating HP LaserJet Pro M402dn Drivers

1. Open HP Smart or visit HP Support website
2. Check for HP LaserJet Pro M402dn driver updates
3. Download latest driver version
4. Uninstall old driver first (optional but recommended)
5. Install new HP LaserJet Pro M402dn driver
6. Restart computer and printer

HP LaserJet Pro M402dn Network Printing

Note: The M402dn does not support WiFi or mobile printing. To print from multiple computers, connect the printer to your network via Ethernet cable. All computers on the same network can then access the printer using its IP address.

For network printing:

1. Ensure HP LaserJet Pro M402dn is connected to network via Ethernet
2. Add the printer to each computer using its IP address
3. Use Settings > Devices > Add printer > Add printer using IP address on Windows
4. Or use System Preferences > Printers & Scanners > Add on Mac
5. Enter the printer's IP address when prompted

HP LaserJet Pro M402dn Specifications

• Print Speed: Up to 38 pages per minute (ppm)
• First Page Out: As fast as 7.3 seconds
• Resolution: Up to 600 x 600 dpi
• Connectivity: USB, Ethernet (wired network only - no WiFi)
• Paper Capacity: 250-sheet input tray
• Duplex Printing: Automatic (standard)

Need Help with HP LaserJet Pro M402dn?

If you're experiencing HP LaserJet Pro M402dn driver issues, Ethernet network connection problems, or need help with setup, our expert technicians can help. We provide remote support to install, update, or troubleshoot HP LaserJet Pro M402dn printers. Call +1-888-423-7757 for 24/7 assistance.