This is a genuine Canon BCI-21 black ink jet printer cartridge compatible with various Canon printer models such as BJC-2000, BJC-4000, BJC-4100, BJC-4300, BJC-4400, BJC-4550, BJC-5000 series, MultiPASS C3000 series, MultiPASS C5000 series, and more. The cartridge is manufactured in Japan and comes in a sealed box for guaranteed quality and performance. It has a standard yield type and is designed to work with inkjet print technology. This product is an original Canon genuine product.