This study aims to realize the political role exercised by the Impressão Régia do Rio de Janeiro through its performance in the context of the installation of the Portuguese Court in America, seeking to highlight to the intrinsic relationship between culture and power on the Portuguese imperial projects. Adressed as an historical agent, the Impressão Régia presents itself as the cultural aspect of the political project of a new Portuguese empire creation in America, a long cherished by illustrated Portuguese scholars and statemen and implemented by the Court transfer to Rio de Janeiro. In the face of the political tensions that was generated by the new situation created by the Empire seat moving, the Impressão Régia has played an important role in legitimizing and sustaining of this political project, at least until the effective end of previous censorship in Kingdon of Brazil press on August 28, 1821. Through the continuation of work of dissemination of the Lights in the Portuguese empire, and the building of the reign metamemory of D. João in America, the Impressão Régia do Rio de Janeiro aims to stablish a continuity relationship between past, present and future of the Portuguese monarchy, passing over the rupture moments just experienced.