Compatible New York Toner Q3961A Toner Cartridge - Cyan Cartridge Quantity: 1 pack Replacement Brand: HP Color Compatible Products: HP Color - LaserJet: 2550, 2550L, 2550LN, 2550N, 2800, 2820, 2840 Approximate Page Yield: 4,000 pages Coverage: @ 5% Operating Humidity: 20 to 80% RH Storage Humidity: 20 to 80% RH Labor: 1 Year From Date of Purchase