Save and print even more when you shop with LD Products! This offer includes 2 compatible toner cartridge replacements for HP 51X Q7551X High Yield Black. Why pay twice as much for expensive brand name toner when our compatible replacement printer supplies are backed by a 100% satisfaction and lifetime guarantee? For use in the following HP printers: LaserJet M3035 MFP, P3005d, P3005n, M3027x MFP, M3035xs MFP, P3005, P3005dn, M3027 MFP, 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 replacement cartridges and supplies does not void your printer’s warranty. Professionally manufactured by LD Products. HP is a registered trademark of HP Inc. and is not affiliated with and does not endorse LD Products.