a developer station is provided for electrophotographic printer and copier devices , including a developer conveyor means and a developer deflection housing . the developer deflection housing , on whose outside surface developer material is conveyed , has a developer transfer area , at which developer conveyed in by the conveyor means is applied onto the developer deflection housing , and a toner transfer area , which transfers toner to a photoconductor , applied on its surface , the toner transfer area proceedings complementary to the surface of the photoconductor . further , a magnet rotor is arranged such in the deflection housing that the spacing thereof from the surface of the deflection housing decreases at least up to the toner transfer area proceeding from the developer transfer area .