Renewable Toner Compatible Toner Cartridge High Yield Replacement for HP 51X Q7551X for HP Laserjet P3005 M3035 M3027 LOW COST, HIGH VALUE. RT replacement for HP 51X toner. Printing cost is as low as .005 cents per page, up to 60% less than HP Q7551X original toner cartridges. QTY: 1 (1 Black) RT Compatible HP 51X | HP Q7551X toner cartridge OEM #: HP Q7551X | High Yield: 13,000 Pages based on 5% coverage. Depend on RT toner cartridge for high volume business printing Compatible with HP LaserJet Printers: M3027, M3027x, M3035, M3035xs, P3005, P3005d, P3005dn, P3005n, P3005x MFP LIFETIME WARRANTY: we always honor our warranty, even if the Amazon return window has closed