49.c0.02LaserJet Enterprise M406dn

HP LaserJet Enterprise M406dn error 49.c0.02: Fix

The HP LaserJet Enterprise M406dn error 49.c0.02 is a common firmware error caused by a malformed print job attempting to communicate with the printer’s print processor.

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Common causes

  • 1Corrupt print job data.
  • 2Driver compatibility issues.
  • 3Firmware outdated.
  • 4Insufficient buffer memory for heavy tasks.

Solutions

Quick Diagnosis

Test with a simple text-only document to isolate if the error comes from complex image processing within your print jobs.

Step-by-Step Solution

  1. Power Off: Remove all data cables.
  2. Clear Cache: Purge the print queue on all network clients.
  3. Restart: Reconnect after status is 'Ready'.
  4. Update: Apply the latest firmware from HP.

Prevention and Maintenance

Always keep printer firmware current. Avoid sending huge image files to the printer simultaneously from different sources.

When to Call a Technician

If the error occurs with zero network connectivity, the main board may be failing.

Technical Specifications

Steps to follow

  1. 1

    Power Cycle

    Turn off the printer and disconnect all data cables for 30 seconds.

  2. 2

    Clear Print Queue

    Delete any pending print jobs from all connected computers.

  3. 3

    Firmware Check

    Check if a firmware update is available on HP support.

Frequently asked questions

It is a firmware communication failure triggered by an incompatible print command.

Yes, jobs in the cache when the error occurred are usually cleared.

HP 58A or 58X series are the original compatible consumables.

Check every six months to ensure peak stability.