The GUSTEC 56A (CF256A) Black Compatible Toner is designed for high-quality and reliable printing with HP LaserJet MFP M433a, M436dn, M436n, and M436nda printers. Offering crisp, clear black prints, this toner cartridge ensures professional results every time. Built to meet high-volume demands, the 56A toner provides an excellent yield, helping you reduce costs without compromising on quality. Perfect for businesses seeking efficiency, this cartridge ensures sharp text and precise details with every print.