Do you often scan and copy texts in addition to printing, but only print in black and white? Get a black and white all-in-one printer. With an all-in-one printer, you don't need a separate scanner, printer, or copier. You have all functions in 1 product. Do you fax often? Choose a 4-in-1 printer. These printers have a built-in scanner in addition to a fax function.