OPEN UNUSED TONER A standard HP 89A CF289A black toner cartridge weighs approximately 1.12 kilograms (2.46 pounds). This includes the weight of the cartridge itself and its packaging. The HP 89A Black Original LaserJet Toner Cartridge, CF289A, is a genuine product by HP designed for use with various HP LaserJet printers. This toner cartridge is specifically made for black printing and is compatible with models such as M507DN and MFP M528DN. With a focus on laser print technology, this cartridge ensures high-quality and professional printing results for your documents and images. Trust in the HP brand to deliver reliable and consistent performance with each use.