Compatible for HP Printer: Laser Jet Pro 200 color M251nw Printer, Laser Jet Pro 200 color M276nw Printer. 4 x CF210A Black Toner Cartridge Up to 2,200 pages per black toner cartridge(5% coverage/A4 paper). Actual toner yield varies with usage, graphics printed and environmental conditions. This item is a great choice for your printer. It is equipped with intelligent chips that can be quickly recognized by the printer and accurately display the amount of toner. Fine toner powder can provide realistic colors, output clear and eye-catching text and graphics, making your presentations and printouts stand out. GRENCYCLE toner cartridges have been sold worldwide for over 12 years, with consistent quality and stable compatibility, compatible for HP printers, and printing results as good as OEM. We use multi-layer shock-absorbing packaging and sturdy outer boxes.