The Original Canon 137 Black Toner Cartridge, model 9435B001, is a Genuine/Original toner cartridge designed for use in Canon printers. It is compatible with Canon printer models MF212W, MF229DW, MF216N, and MF227DW, as well as HP printers. The toner cartridge is specifically designed for laser print technology and comes in the color black. This product is suitable for those seeking high-quality printing results with their Canon or HP printers.