1.Compatible HP Q2612A Toner cartridge 2.Page Yield:2,500 3.For HP 1010,1012,1015 4. ... QC testing advance detection way,100% print test by five page black,white,E,ghost,grey 6. Target:cost saving print ... can call me or e-mail me at any time anywhere!.I will try my best to supply best service for you ...