TRUE IMAGE HEQ7551A Compatible Toner Cartridge Replacement for HP Q7551A (Black) Premium quality toner with easy to install design Estimated page yield of 6,500 pages @ 5% coverage based on ISO/IEC 19752 (letter/A4 size) Compatible with HP Printers: LaserJet P3005, P3005D, P3005X, P3005N, P3005DN, M3027MFP, M3027X MFP, M3035 MFP, M3035XS MFP 1-pack True Image high yield black toner cartridge replaces HP Q7551A Warranty: Lifetime 100% satisfaction guarantee