Rectify HP printer error code 79 typically indicates a firmware issue or network problem. Common causes include outdated or corrupt firmware, miscommunication between printer and computer, or a corrupted print job. To resolve it, start by restarting your printer to clear any temporary glitches. If the error persists, update the printer's firmware to the latest version available on the HP website. Ensure the printer is properly connected to the network and that the network settings are correct.
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