A:AnswerWhile I am not familiar with the term Duplex Color I cannot answer that, but Yes you can print Black and white.
I would presume that whatever colors you use in your software, it will print.
A:AnswerYou will want to buy extra when you buy the printer, you will go through the initial load pretty quickly, I would recommend the high capacity black cartridge
A:AnswerToner (powder) is used instead of ink, so you get smudge-free images and text. This already includes the black starter toner cartridge and color starter toner cartridge.
A:AnswerThis printer does not do AUTO duplex(double sided) printing despite what others have said here. I assume that is what you were asking about. Any printer can do manual duplex printing.
yes non samsung toner can be used but weigh the risks over the cost savings.