Origen was in his heart never a Christian. His later embrace of Gnosticism proves it.
You also must understand that no particular Father of the Church (and Origne is not one of them) could never decide what the whole Church believed. That was plainly made clear at Ecumenical Councils, who spoke on behalf of the whole Church based on what is know as the consensus patrium.
Prior to his stepping on one too many toes, he was very critical of some Bishops, he was held in high enough esteem to teach at the Christian school in Alexandria and asked to preach at numerous churches. The point I was making was as early as 200AD the idea of Mary's perpetual virginity was not accepted fact.