In order to disable two-sided printing on Mac, you will have to first enable CUPS (Common Unix Printing System) Browser Interface on Mac. Hence, you are better off disabling two-sided printing on Mac, in order to prevent the possibility of paper, toner and your time being wasted by having to print the documents twice. While it is easy to turn off “Two-Sided” option before printing documents, many users forget this and end up having their documents printed on both sides of the paper, which is not what they wanted.
