Is it Orders of Service?
No, because there's only one order, no matter how many are printed.
Is it Order of Services?
No, because there's only one service, no matter how many are printed.
Orders of Services?
um...I've got a feeling that logically that just makes everything even worse?
Ah well. On the basis that there's no problem so big that you can't run away from it, how about copies of the Order of Service?
It's not elegant. But it'll do.
Word To Use Today: copy. The Latin word cōpia means an imitation and before that an abundance, or riches.