The HP LaserJet Pro M404 series includes the M404dn (duplex, Ethernet only) and M404n (network with WiFi capability). This guide brings together driver installation and setup steps for both models so you can quickly get your M404 printer working over USB, Ethernet, or WiFi.
HP LaserJet Pro M404 Series Overview (M404dn vs M404n)
- M404dn – USB and Ethernet only, no WiFi, automatic duplex printing.
- M404n – USB, Ethernet, and WiFi-capable, single-sided printing standard.
Use this series guide when you want a quick comparison and links to the full model-specific setup instructions.
HP LaserJet Pro M404dn – Driver Download & Installation (Ethernet Only)
If you have an HP LaserJet Pro M404dn, follow the detailed Ethernet and USB setup steps in the dedicated guide:
HP LaserJet Pro M404dn Driver Installation, Network USB Setup & Troubleshooting Guide 2025
HP LaserJet Pro M404n – Driver Download & Installation (WiFi + Ethernet)
If you have an HP LaserJet Pro M404n, use the WiFi and Ethernet walkthrough in this guide:
HP LaserJet Pro M404n Driver Installation, Network USB Setup & Troubleshooting Guide 2025
Which Guide Should You Use?
- Check the exact model name on the front of your printer: M404dn or M404n.
- If your printer supports WiFi, it is most likely the M404n and you should follow the M404n guide.
- If your printer connects only with USB or Ethernet and does not offer WiFi, it is usually the M404dn and you should follow the M404dn guide.
Common M404 Series Setup Tips
- Always download the latest drivers from support.hp.com by searching for your exact model number.
- On Windows, prefer the HP Smart app or the full feature driver package for easier setup.
- For network printing, make sure your computer and printer are on the same network and that you can ping the printer’s IP address.
- If the printer shows as offline, restart the printer, router, and the Windows print spooler, then try again.
For step‑by‑step troubleshooting of driver errors, offline status, paper jams, or print quality issues, always refer to the dedicated M404dn or M404n guides linked above.