Everyday Cyan Standard Yield Toner replacement for HP CF531A from Xerox 900 pages was designed for performance reliability and safety you've come to expect from Xerox but without the associated costs of cartridges from original manufacturers. The Xerox Everyday Toner portfolio includes cartridges for the leading printer and copier brands-both A4-letter/legal and A3/tabloid. The chemicals in our toner and the plastics in the cartridge meet or exceed industry standards for global safety and environmental compliance. Xerox Everyday Toner comes with a lifetime warranty your satisfaction is guaranteed.