-Yields up to 9000 pages per standard cartridge _Remanufactured cartridges will save you money compared to the National Brands Contains one black standard yield cartridge -TRU RED™ remanufactured cartridges produce reliable copies 2-year guarantee to be free of manufacturer's defects, get free replacement or your money back Compatible with: HP LaserJet Enterprise M506N, M506X; LaserJet Enterprise MFP M527C, M527DN, M527F, M527Z; LaserJet Pro M501DN, M501N