At time of sending or receiving faxes through my Fax machine, my HP Fax machine stops working. I am not sure about the working procedure of HP Fax machine. When I send Faxes through my HP Fax machine, I am experiencing HP Test fax failure error message. I don’t have ideas about the actual reasons of this technical issue. I don’t have ideas about HP test fax failure error message. I am applying my technical skills to recognize the main reasons of this error and apply the appropriate solutions to solve this HP test failure error message. So anyone can share the easy ways to sort out this HP test failure error message as soon as possible.