Windows file shares are SMB shares. Anything shared on Windows via Windows (i.e. not a third party software a la Dropbox, GoogleDrive, etc.) is being shared via SMB. Are you having connectivity issues connecting from a Mac? Or just file write issues? It sounds like a permissions problem to me at first guess.
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