ALL THE LIGHTS ARE FLASHING & FIRMWARE CAN NOT BE LOADED TO THE PRINTER

[aldo.alvarezicazatti@live. 0]

I HAVE TRIED TO INSTALL DE NEW FIRMWARE AND A MESSAGE SAY THAT DE FIRMWARE HAS NOT BEEN UPDATED AND ALL THE PRINTER´S LIGHT ARE FLASHING. I HAVE TRIED TO UPDATED SEVERAL TIMES BUT ALWAYS APPEAR THE SAME MESSAGE. CAN YOU HELP PLEASE? REGARDS

El firmware de la impresora no se ha actualizado.
Actualización del firmware fallida. Causa/s posible/s:
- El cable USB no está conectado al ordenador o a la impresora.
- Se ha perdido la conexión de Wi-Fi/Ethernet con la impresora.
- La impresora está apagada.

I HAVE BEEN CHECKED ALL THIS POSIBLE CAUSES AND THIS IS NOT THE PROBLEM

[Admin 9]

16 hours ago, aldo.alvarezicazatti@live. said:

I HAVE TRIED TO INSTALL DE NEW FIRMWARE AND A MESSAGE SAY THAT DE FIRMWARE HAS NOT BEEN UPDATED AND ALL THE PRINTER´S LIGHT ARE FLASHING. I HAVE TRIED TO UPDATED SEVERAL TIMES BUT ALWAYS APPEAR THE SAME MESSAGE. CAN YOU HELP PLEASE? REGARDS

El firmware de la impresora no se ha actualizado.
Actualización del firmware fallida. Causa/s posible/s:
- El cable USB no está conectado al ordenador o a la impresora.
- Se ha perdido la conexión de Wi-Fi/Ethernet con la impresora.
- La impresora está apagada.

I HAVE BEEN CHECKED ALL THIS POSIBLE CAUSES AND THIS IS NOT THE PROBLEM

Hello! 
Could you please send me the screenshot of the error so I can help you.

What is your printer model and what mode did you install the firmware in? Normal mode or update mode?