49.00.XXLaserJet Pro M404dnHas video

Fix HP LaserJet Pro M404dn Error 49.00.XX - Quick Guide

Error 49.00.XX indicates a printer firmware exception, often triggered by a corrupt print job in the spooler.

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Common causes

  • 1Spooler data corruption
  • 2Network communication timeout
  • 3Firmware bug

Solutions

  1. Power off the printer.
  2. Disconnect network/USB cables.
  3. Clear print spooler on your computer.
  4. Update printer firmware via HP Support Assistant.

Steps to follow

  1. 1

    Power Cycle

    Unplug the power cord for 60 seconds to reset the engine.

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Frequently asked questions

Check for firmware updates on the official HP website.