Printer in our lives is really very important actor in the role, especially in our business life, that if there is no printer, I really do not know our work now is not able to continue some time ago, our office printerbroken, leading to all of our work is mired in paralysis, because of our contract and other documents are all electronic version stored in the computer, or do we want them to become a paper filethrough the printer to print out, but there is a problem because of our printer, that day’s work is basically into a paralysis, showing the importance of the printer in our work.