HQRP AC Adapter/Power Supply for HP OfficeJet 7300/7310 / 7310xi / 7313 Printer Replacement plus Coaster HQRP&reg; AC Adapter with Power Cord plus HQRP&reg; Coaster; Input: 100 - 240V; Output: 31V, 2.42A; for HP Printers; 200 days warranty!