1.Compatible HP Q2612A Toner cartridge 2.Page Yield:2,500 3.For HP 1010,1012,1015 4. ... :1 replacement return policy2. Raw material:high quality toner powder and chip from Japan,Korea3. Using top quality OPC,PCR & Magnetic Roller ... QC testing advance detection way,100% print test by five page black,white,E,ghost,grey 6. Target:cost saving print ...