With Staples inkjet cartridges you can print at brand product quality but at a lower price, making them the ideal choice for the cost-conscious customer. This C-1 black cartridge can be used as an alternative for the Canon BCI-21Bk. For use with: B180C, B210C, B215C, B230C, S100, BJC-2100, MultiPASS C50, MultiPASS C30, MultiPASS C20, BJC-5500, BJC-5100, BJC-5000, BJC-4650, BJC-4550, BJC-4400Photo, BJC-4300, BJC-4200, BJC-4100, BJC-4000, BJC-2000, MultiPASS C70, MultiPASS C75, MultiPASS C80