The HP CF410X is black toner cartridge designed with jet laser technology that delivers professional quality at high speed. This product is engineered to deliver bold blacks, crisp graphics, and sharp text. This product is suitable for HP printers. HP Color LaserJet Pro M452dn, M452dw, M452nw; HP Color LaserJet Pro MFP M377dw, M477fdn, M477fdw, M477fnw.  No returns for opened box.