The black in black-and-white printing is black ink. The white is the paper. When you hear a print job referred to as a two-color job, that means that two colors of ink will be required to print it. That may seem obvious, but here’s a true story: There once was a poor, befuddled, novice print salesman who priced a black-and-white job as a two-color job: black and white. Understandably, he didn’t last long in the trade and is probably selling used cars now. You may have heard the limerick:
There was a print salesman named Bob
Who quoted a “two-color job.”
But what did he think?
There’s only black ink
And the paper. What a doorknob!
Printing a single ink on paper is somewhat simpler than printing a four-color ...