Page Yield*: 5500 pages Compatible with HP 507 A HP-507A HP 507-A HP507A HP 507A Laser Black (per cartridge) *at 5% coverage (ISO/IEC standard) Package Contents: 1 x HP 507A Black compatible toner cartridges HP 507X CE400X 507A CE400A Compatible with: LaserJet Enterprise 500 M575dn, M551dn, M551xh, M575f, M575c, M570dn LD Products: HP 507A black toner cartridge pack compatible replacement for HP 507 A HP-507A HP 507-A HP507A HP 507A (CE400X) Professional compatible replacements manufactured by LD Products. HP is a registered trademark of HP and is not affiliated with and does not endorse LD Products.