Toner Tap Compatible for HP&reg; CP 3525, CE 252A Black, Cyan, Magenta, Yellow Cartridge Set HP 504A, 504X Toner Cartridge Replacement for HP CE250X CE251A CE252A CE253A Compatible with HP Color LaserJet CM3530 CM3530fs CP3525dn cp3525n cp3525x 100% Brand new and IP Protected components and parts Estimated Toner Yield 10,500 Black, 7,000 on colors with 5% coverege printing measured up to and above OEM standards All TT toner product go through qualiyt control procedure to ensure highest and the most consistent quality in the market