✮ In The Box: Product Include: 1 X Q3961A Cyan.✮ Printer Compatable:♦ HP Color LaserJet 2840, ♦ HP Color LaserJet 2550, ♦ HP Color LaserJet 2550 L, ♦ HP Color LaserJet 2550 LN, ♦ HP Color LaserJet 2550 N, ♦ HP Color LaserJet 2550 Series, ♦ HP Color LaserJet 2800 Series, ♦ HP Color LaserJet 2820, ♦ HP Color LaserJet 2820 AIO, ♦ HP Color LaserJet 2840 AIO. ✮ Page Yeild:♦ SPS toner cartridge Up to 5000 pages on Black toner cartridges and 4000 pages on Color toner cartridges print.✮ Notes:♦ SPS toner cartridge is the best quality toner for your printer.♦ SPS Toners are made with high quality printing material and 100% compatible chips.♦ All our toners,ink Cartridge are brand new and they provide better printing experience.♦ Please confirm your model before placing an order.