The Topink CF410A Black Toner Cartridge is compatible with HP Color Laserjet Pro M452dw and MFP M477fdw printers. This unit, manufactured in China, is designed for laser print technology and comes in a pack of 1. The cartridge is specifically engineered for use with HP printers, including models such as M452dn, M452nw, MFP M477fdn, and MFP M477fnw, providing high-quality black printing results.