Save and print even more when you shop with LD Products! This listing contains 3 CF279A HP 79A black toner cartridges. Why pay twice as much for brand name Hewlett Packard cartridges when our compatible printer supplies are backed by a two-year warranty and guaranteed to meet or exceed the same quality standards as the original OEM brand? This set is compatible with HP LaserJet Pro M12a, M12w, MFP M26a and MFP M26nw printers. Please note, retail packaging may vary and these cartridges will only work with printers purchased within the United States and Canada. The use of compatible replacement cartridges does not void your printers warranty. Our compatible toner cartridges are not manufactured by HP. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.