Hewlett Packard Color LaserJet Enterprise Pro 300 Color M351, MFP M375, nw, Pro 400 Color M451, dn, dw, nw, MFP M475, dn, dw (305A Black) - Black. Premium remanufactured West Point Products toner cartridge. This replacement cartridge is a reliable OEM alternative. Made in North America, STMC, ISO Certifications and backed by a 1 year warranty.