HP 645A LaserJet Toner Cartridge
Page yield: ~ Black: 13000 pages (C9730A) Yellow: 12000 pages (9732A) Magenta: 12000 pages, (C9733A) Cyan: 12000 pages. (C9731A) HP Smart technology and chemically-grown toner formulas in HP 645A LaserJet Toner Cartridges work with your printer...