This is a genuine Canon BC-23 Black Enhances Bubble Jet Printhead Ink Jet Cartridge guaranteed to perform with the Canon BJC 5000 / 5100 & Apple Color Style Writer 2400 / 2500 Ink Jet Printers. Use the BC-23 cartridge for high-speed, black only printing. When you run out of ink, replace the complete cartridge. &183; Engineered to provide the highest resolution & color saturation possible. &183; BC-23 contains ultra quick-drying, dye-based inkjet ink. &183; Offers optimum performance & productivity. &183; BC-23 provides superior resistance to smudging & bleeding.