Premium Compatible Q7551X (HP 51X) High Yield Black Toner Cartridge fully compatible with the HP LaserJet P3005, P3005d, P3005dn, P3005n, P3005x, M3027 MFP, M3027x MFP, M3035 MFP, M3035xs MFP. The use of compatible supplies does not void your printer warranty.