... powder, Samsung proprietary powder.4)select stable quality high page yield test5)new plastic case,new OPCSpecificationslA: It is ... for 100% replace or refund for any defective products.Page Yeild 2,500 in 5% coverageWarranty Period48 months under ... Columbia, Iran, etcQ: WHAT KIND OF PRODUCTS CERTIFICATE YOU HAVE?A: Declaration of Conformity,ROHS certificate of conformity,ROHS Test Report,CE,CR,MSDSQ: ...