This is a compatible (with CHIP) HIGH CAPACITY (21,000K) Toner Cartridge Replacement Use for Canon 056H for Canon imageCLASS LBP320, LBP325dn, MF540 . This works and perform the same as the original Canon 056H but for a fraction of the cost. Buying this compatible laser toner cartirdge will not void your printer warranty. Hurry while supply last!!!