Developer roller: Use for Hp,Canon,Lexmark,Lenovo,Dell,Xerox,Brother,Samsung,Panosonic.and high quality Developer roller: 1.It has good abrasion resistance 2.It can maximize activated carbon powder on the surface of the magnetic roller, 3.Effectively reduce electrostatic effect of magnetic roller 4. Effectively solve the bottom ash, excellent quality of the products will come true. Trademanager: ...