Remanufactured Compatible Black Inkjet Cartridge Replaces HP 51645A HP51645A-GReg. Price: $ 17.90Sale Price: $ 13.90 Original HP 51645A Black Ink Cartridge - (No. 45) HP51645A-OEMReg. Price: $ 37.99Sale Price: $ 34.99 Remanufactured Color Inkjet Cartridge Replaces HP C6578AN/DN - High Yield - HPC6578A-GReg. Price: $ 22.90Sale Price: $ 18.90 Original HP C6578AN Color Ink Cartridge - (No. 78 Large) HPC6578AN-OEMReg. Price: $ 59.98Sale Price: $ 69.98 Original HP C6578DN Color Ink Cartridge - (No. 78 Economy) HPC6578DN-OEMReg. Price: $ 39.99Sale Price: $ 36.99