• Code: 79.XXXX
• Display: 79.XXXX ERROR - To Continue Turn Off Then On
• Description: A critical hardware error occurred.
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. If the problem persists, reseat the firmware memory card. 3. Remove and reinstall the formatter. 4. Upgrade the firmware.

• Code: 8X.YYYY
• Display: 8X.YYYY EIO ERROR
• Description: The EIO accessory card has encountered a critical error.
• Remedy: Try the following actions to clear the message. 1. Turn the MFP off, and then turn the MFP on. 2. Turn the MFP off, reseat the EIO accessory, and then turn the MFP on. 3. Replace the EIO accessory.

• Code: 8X.YYYY
• Display: 8X.YYYY EMBEDDED JETDIRECT ERROR
• Description: The embedded HP Jetdirect print server has encountered a critical error.
• Remedy: Turn the MFP off, and then turn the MFP on.