... /500g/1000g/5kg/10kg.Toner powder suitable for laserjet printer:HP LaserJet1010,1012,1018,1015,1020,1022,1022n,1022nw,3015,3020 ... ,33922410,2420,2420d,2420dn,2420n,2430,2430dtn,2430n,2430t,2430tn,4200,4200dtn,4200dtns,4200dtnsl,4200n,4200tn. Certification:Iso9001/Iso14001/BV/CE ...