Canon 131/331/731 Black Toner Cartridge CompatibleGeneric Compatible Canon 131 331 731 Black Toner Cartridge Since 2002, The Inky Shop has specialized in supplying premium quality alternative ink cartridges and toners which perform as well as the original and come with a 100% Money Back Satisfaction Guarantee. Estimated page yield: 1400 pages at 5% coverage (in accordance with ISO IEC standard) Canon 131 331 731 Black Toner Cartridge is compatible with the following printers: Canon Color ImageClass