wifi-connect Troubleshooting

Wi-Fi connection failure on the HP LaserJet Pro M404

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

The purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.

How to fix Wi-Fi connection failure

Reconnect to Wi-Fi

Run the wireless setup wizard and reconnect the printer to your network.

Source: ProductDB enrichment catalog Confidence: 80% Verified Aug 8, 2026
Difficulty: ★★ Est. 10 min

Restart the router

Power-cycle your router and retry the connection.

Source: ProductDB enrichment catalog Confidence: 80% Verified Aug 8, 2026
Difficulty: ★ Est. 5 min

Replacement parts for the HP LaserJet Pro M404

HP OfficeJet Pro 9015 Maintenance Kit HP DeskJet 2755e Maintenance Kit HP LaserJet Pro M404 Toner Cartridge HP LaserJet Pro M404 Drum Unit HP LaserJet Pro M404 Ink Cartridge HP LaserJet Pro M404 Fuser Assembly HP LaserJet Pro M404 Paper Tray HP LaserJet Pro M404 Maintenance Kit

← All HP LaserJet Pro M404 error codes

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