Canon original BCI-21 Black inkjet cartridge. Works with Canon BJC-4000, BJC-4300, BJC-4304, BJC-4400, BJC-4550, BJC-4100, BJC-4200, BJC-5000, C2500, C3000, C5000, BJC-2100, BJC-2110, BJC-2115, BJC-2120, BJC-2113, BJC-2114, C530, C545, C560, C555, BJC-2000, Multipass BJC-5100, BJC-5500 Printers |