This is due to the different physical properties of the toner powder, which can change during the long time inside the cartridge, where it is subject to repeated heating and cooling and turbulence during each printing process. New toner powder often does not mix with the old powder, resulting in blotchy printouts. or make 4 interest-free payments of 16.18 AUD. Before you fill in the new toner powder, please make sure that the residual old toner powder has been thoroughly removed from the cartridge. Samsung CLP-310 / CLP-315 / CLX-3170 / CLX-3175 Yellow Toner Cartridge - 1,000 pages 5 CLTY409S.To not touch the OPC drum with your bare hands.Therefore, please use a dust mask or a dust extractor when you are working with toner powder. Toner powder must not be inhaled! It can be hazardous to your health in the long run.The printer manufacturer often provides starter cartridges that cannot or only with great effort be refilled, for example Brother TN2000 or Samsung SCX4200. the cartridges comprised in the scope of delivery of your printer). The instructions for refilling toner powder provided on our website may in some cases not be applicable in their entirety for starter cartridges (i.e. Get Fast Service & Low Prices on CLTM409SPC PCI Brand PCI Samsung CLT-M409S 1K Magenta Toner Cartridge for Samsung CLP-310 CLP-315 and Much More at.