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HP Customer Support - Knowledge Base

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HP LaserJet M406, M407, M430, M431, M455, M480, E40040, E42540, E45028, E47528 - 'System Main has Failed' error

Learn how to clear a 'System Main has Failed!' error message.

Note:

This error message will only be seen with the printers listed in the Applicable printers section.

'System Main has Failed' error

A 'System Main has Failed' error displays on the control panel of a new HP LaserJet Enterprise or HP LaserJet Managed printer.

Solution

Follow these steps to clear the error or troubleshoot further as needed:

  1. Select Restart on the printer control panel.

    'System Main has FAILED!' error message
    • If the printer does not restart, use the power button on the front of the device to turn the printer off, and then on, and then continue to the next step.

    • If the device returns to a ready state, the issue is solved.

  2. If the printer reboots to the error again, or if the error returns, take note of the actions being performed at the time that the error occurred, and then contact HP Inc. printer Support.

Applicable printers

  • HP LaserJet Enterprise M406dn

  • HP LaserJet Enterprise M407dn

  • HP LaserJet Enterprise MFP M430f

  • HP LaserJet Enterprise MFP M431f

  • HP Color LaserJet Enterprise M455dn

  • HP Color LaserJet Enterprise MFP M480f

  • HP LaserJet Managed E40040dn

  • HP LaserJet Managed MFP E42540f

  • HP Color LaserJet Managed E45028dn

  • HP Color LaserJet Managed MFP E47528f


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Country/Region: Hong Kong SAR

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