Aftermarket Compatible Toner Cartridge Replacement for HP C9730A ( Black ) New Compatible Brand Black Toner Cartridge Unconditionally Guaranteed HP C9730A Black Aftermarket Toner Saves 30-50% Off HP Brand High Yield 13,000 Page Black Toner Cartridge Output At 5% Page Coverage Manufactured In An ISO9001 Certified Factory To Meet International Standards Works In Conjunction With The HP C9731A Cyan, C9732A Yellow, C9733A Magenta Toner Cartridges (Sold Separately)