Print raster image geologic map

hello to the community, I have a problem with the use of DraftSight: I insert a raster (topographic map), then put in transparency and those different parts of the paper, the background and see the topography, cuve level ect .. When I go to print I can not see the geological map with colors, I did not transparent printing, but only the topographic map without the colorful screens I can not print all colors by showing, on the geologic map! thanks for your support. Can you help? I can not print all colors by showing, on the geologic map! thanks for your support. my email is: geobevacqua@libero.it