The options for printing in black and white in OS X may be a bit hard to find, so here are some approaches to printing and converting documents to grayscale. Topher, an avid Mac user for the past 15 ...

2nd, printing greyscale is painful on lower end printers. You need, need, need to have a profile for your printer, and have your monitor calibrated, if it doesnt have a built-in greyscale mode.