FeaturesProfessional-looking printoutsDeep black colourYield: 11,000 pagesClear crisp linesKeep your printer running smoothlyThe HP 37A Original LaserJet Toner Cartridge offers outstanding print quality. For professional-looking printouts, this original ink cartridge is guaranteed to deliver the desired results. The black HP CF237A toner cartridge produces a deep black colour for clear, crisp lines. HP has designed this ink cartridge to work with your printer to produce the best possible results. The HP 37A black toner produces approximately 11,000 pages at 5 per cent coverage. Use the black HP CF237A toner cartridge for prints of superb quality and to keep your printer running smoothly.