... , T6171 Photo Black , T6172 Cyan , T6173 Magenta , T6174 Yellow . Suitable for B-500DN/300DN/508/308....etc.Cartridge numberT6171-T6174T6171-T6174For use ... , T6171 Photo Black , T6172 Cyan , T6173 Magenta , T6174 Yellow . Suitable for B-500DN/300DN/508/308....etc.Cartridge numberT6171-T6174T6171-T6174For use ...