To any artists out there.. How do i transfer printed images onto paper(fabriano)?What kind of solvents?

I've done this before,but seem to have forgatten how. I want to transfer a photocopied image onto Fabriano (watercolour) paper and still be able to work over it with ink and bleach.does it mater if the image is as laser print? this does seem to work. are there different kinds of photocopy inks? I've tried turpentine, should i use thinners?How can i get the best quality ink transfer? Exhibition is in two weeks. Please help... Thanks, Rory.