If your printer does not print to a Windows or Mac computer, this article is for you. Here we explain the steps to fix the typo. So, I have detailed the problem with the Brother printer which does not print in black and white but not in color.Brother printer is not printing due to “offline” problem.Check the status of the printer and make sure it is set to offline mode. If this happens, then your printer may stop working. Follow the steps below to change your settings.