This OEM Genuine HP Color LaserJet Print Cartridge Cyan Q3961A is perfect for those in need of a high-quality, reliable toner cartridge for their HP printer. With compatibility for models including the 2550, 2820, and 2840, this cartridge is sure to meet your printing needs. The print technology used is laser, ensuring crisp and clear print results every time. This cartridge is also genuine/original, ensuring that you are getting a product that meets the high standards of the HP brand. The color is cyan, perfect for printing vibrant and eye-catching documents.