Original - Hp Q3960a 2550 / 2820 / 2840 Black Toner Cartridge - 5,000 Pages - Full Manufacturer Warranty Applies. This Original Hewlett Packard Cartridge Is Suitable For The Following Hp Printers : Colour Laserjet 2550, Colour Laserjet 2800, Colour Laserjet 2820, Colour Laserjet 2840 . All Prices Are Gst Inclusive