HP Smart Tank 515 Printer E4 Error - Easy Fix 100 %

this video is made for how to fix hp smart tank 515 printer 'E4'error
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[@gonzalodanielperez87]

Muchas gracias! Creo que tengo el.mismo.problema. también me sale el e2

[@msk10033]

Thank you for your response and hope for your continued support

[@gonzalodanielperez87]

@@msk10033 ya lo resolví. En mi caso el cliente había trasladado la impresora de manera vertical lo que lleno de tinta gran parte del mecanismo. Con mucha paciencia limpie el sensor que maneja el rodillo de papel y el problema se solucionó

[@arnulfonamocatcat4292]

where can I buy that paper roller assembly?

[@rosaovalle3214]

Disculpe, Como se llama la pieza que le piso al final

[@abohesam1882]

I bought a new motherboard. I changed the main motherboard and when I changed it, this problem appeared. I returned the old motherboard, but the problem did not go away. The reason for my change is that I want to change the main motherboard because it has programming from the company that does not print what I want. Therefore, I bought a new motherboard, hoping that it is not programmed and prints what I want. The important thing is that I have the same problem.

[@Saizulie]

Falta de som!

[@msk10033]

Thank you for your response and hope for your continued support