@ A method and apparatus for developing and transferring an image from a sheet of thermally developing photo-sensitive paper N containing a mobile pigment to a sheet of print paper P containing a pigment fixer, comprising a thermal developer 4 of the photo-sensitive paper, means for overlaying the photo-sensitive and print paper, a heater 8 for transferring the mobile pigments from the developed photo-sensitive paper to the print paper, and a separator 54 for peeling apart the photo-sensitive and print papers.