Page Yield*: (24,000 pages) Compatible with HP 64X Toner (Black) (per cartridge) *at 5% coverage (ISO/IEC standard) Package Contents: 1 x 64X Black compatible toner cartridges High Yield CC364X Compatible with HP: LaserJet P4014dn, LaserJet P4014n, LaserJet P4015dn, LaserJet P4015n, LaserJet P4015tn, LaserJet P4015x, LaserJet P4515n, LaserJet P4515tn, & LaserJet P4515x Product Name: LD Products 64X Black toner cartridges High Yield compatible replacement for HP 64X for HP Toner 64X CC364X 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.