Many types of printers are the kind of good use, but I found laser printer in our office like a lot of people are not used to look like, do not know why they are not used to, and later learned that they were accustomed to before printer, a laser printer and now they feel like very smoothly, and I think that is a process of adaptation, as before, or if they use it, is not so sure, so that I think that we should teach them methods can but they seem very willing to do that kind of thing, do not know how they think, since that’s the case I would not have control of