self-diagnostic-errorMFC-9330CDW
Brother MFC-9330CDW Self-Diagnostic Error
The Brother MFC-9330CDW self-diagnostic-error occurs during system boot initialization. If the test fails, the printer will not initialize.
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Common causes
- 1Logic board fault.
- 2Voltage surge.
- 3Firmware error.
Solutions
Diagnóstico rápido
Logic board failure. Test failure during power-on sequence.Solución paso a paso
- Unplug power cable for 30 minutes.
- Power back on.
Prevención y mantenimiento
Use a surge protector.Cuándo llamar a un técnico
Motherboard replacement required.Ficha técnica del equipo
- Technology: LED
- Connectivity: USB, WiFi
- Official drivers / firmware
Frequently asked questions
Boot test failed.
Yes, it indicates motherboard failure.
TN-241/245 series.
Use power conditioning.