Ricoh did tests with Superior #5791 3-Part Reverse, Perforated NCR, 79 gsm. It runs ok but you may get wrinkles and worm tracks after a while. Best to run them in smaller amounts in between non-carbonless jobs if possible. The chemicals will rub off on rollers eventually too.
Sustainable Printing Goes
Far Beyond Using FSC Certified
or Recycled Paper
This informative paper on deinking: demand, principles, problems and solutions also explains why printing technologies are not all equally compatible with paper recycling systems; and why just a small fraction of printed material in the paper can cause difficulties. Link To White Paper