Features:Type: Premium Compatible Toner Cartridge (Not OEM)It is certified with ISO 9001 and ISO 14001Condition: Brand NewWarranty: 12 month Shelf Life : 1 yearPart Number: HPQ6511XPrint Technology: LaserColor: BlackQuantity: 1PKPage Yield: 12,000 Pages at 5% Coverage (4A Paper)Compatible For HP LaserJet Printer:LaserJet 2420LaserJet 2420dLaserJet 2420dnLaserJet 2420nLaserJet 2430LaserJet 2430dtnLaserJet 2430nLaserJet 2430tnProvide same performance and reliability as genuine HP Cartridge.Meeting standards of ISO 9001&14001 with 100% new components.High-quality printing with every document.Easy to install or replace design.Full 1 year warranty against manufacturer defects and print quality.