Seine Toner for HP Laserjet Color 1500, 1550, 2500, 2550, 2800, 2820, 2840 Series Cyan, OEM Part # C3961A, OEM Part # C9701A Remanufactured toner Cartridge. Compatible remanufactured Printer toner cartridge. Quality non-OEM imports from Seine Tech USA, previously branded as G&G and Ziprint.