1. （施乐）复印机
    A Xerox is a machine that can make copies of pieces of paper which have writing or other marks on them.

xerox的解释

    e.g. The rooms are crammed with humming Xerox machines.
           那些房间里摆满了嗡嗡作响的复印机。

2. （施乐）复印件
    A Xerox is a copy of something written or printed on a piece of paper, which has been made using a Xerox machine.

3. （用施乐复印机）复印
    If you Xerox a document, you make a copy of it using a Xerox machine.

    e.g. I should have simply Xeroxed this sheet for you.
           我应该把这张纸给你复印一下就对了。