... produce various HP and Canon mag rolloer , PCR and WB/DB , they are close to original in looking and in quality ... of OPC drum and is really environmentlally friendly .2. No pollution and also no piercing , and it always ... status .3. The models we can supply is : HP Q2612, 435A, 436A, 388A, C3906, C7115,Q2613, ... 22, EP-25, EP-26, EP-62 ,EP-W,and so on .Welcome your inquiry ,thanks ! * Primary Charge ...