148 Microline 320/321 Turbo/n|UUni-directional printing, graphics 75United StatesCustomer Support 122Locating a service center 125Service 103, 105, 121Service Center (Oki Data) 104, 125Warranty 118Unpacking your printerList of contents 24UPC A 96UPC E 96USA 73, 78UTIL (Front Panel Light) 18, 95, 96Utility. See also UTLUtility Mode Print Quality 63Utility Mode Print Speed 14UTL 63VVolumeHigh-volume print quality 63WWait Time 75, 80WarrantyLatin America 120Proof of Purchase 105Registering your printer 41Methods 41United States and Canada 118Web Site, Oki Data 2WeightPaper 97, 98Printer 99WidthCharacter 79Double width printing 80Page (Bottom Feed) 74Page (Rear Feed) 74Page (Top Feed) 75Paper 97, 98Setting in the Printer Menu75, 79Printer 99www.okidata.com102, 104, 106, 123, 124, 125YY2K 131Year 2000 131ZZero character (slashed, unslashed)73, 80