** We do not service ink jet printers or ink jet copiers. D.O.S is Metro Detroit's Reliable Business Copier, Laser Printer, Scanner, & Fax Machine Service Center. We have been proudly servicing the Metro Detroit Area for over 27 Years. We are Factory Authorized & Trained on Copystar, Kyocera, Xerox, HP, Lexmark, Muratec, N.E.C & Panasonic.