In the printing preferences you need to select Black and white.
1. open the document you want to print
2. click file
3. click print
4. select printer from list, then click on preferences
5. look around the pages.
In Color tab I found a print in Grayscale - this setting will print the document in black and white colors, the pages may be diffrent on diffrent printers. look for black and white setting or Grayscale.
picture: printing preferences, color page on a hp printer, select grayscale with black cartridge only.