Original - Q3961a Hp 2550 / 2820 / 2840 Cyan Toner Cartridge High Capacity - 4,000 Pages - Full Manufacturer Warranty Applies. This Original Hewlett Packard Cartridge Is Suitable For The Following Hp Printers : Colour Laserjet 2550 Colour Laserjet 2550l Colour Laserjet 2550ln Colour Laserjet 2550n Mfc 2820 Printer Series Mfc 2840 Printer Series . All Prices Are Gst Inclusive