Save and print even more when you shop with LD Products! This listing contains 2 Q7551A HP 51A black toner cartridges. Manufactured 100% brand new with all new parts including OPC drums and wiper blades, these are an economical alternative to expensive OEM Original Equipment Manufacturer laser toner cartridges and supplies. Our compatible Q7551A laser cartridges are backed by a two-year warranty and guaranteed to meet or exceed the same quality standards as the original OEM brand. These items are compatible with the following HP LaserJet printers M3027 MFP, M3027x MFP, M3035 MFP, M3035xs MFP, P3005, P3005d, P3005dn, P3005n and P3005x. 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 and supplies does not void your printer�s 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.