All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T930 Error Code 79:04:00 Problem Description Generic firmware error Corrective Action Options Turn off/on. Update the firmware. Information available by pressing [X] while viewing the system error screen. Technician refert to Appendix C: How to troubleshoot error. Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us