1 Take out the drum unit and toner cartridge assembly. * 2  This video is being streamed from YouTube and will open in a new window. 3  Hold your Brother machine with one hand and hold the drum unit with the other hand. 4  Then, pull the drum unit toward you and lift it up. Wait to unpack the new toner cartridge until immediately before you put it in the machine. 2  If a toner cartridge is left unpacked for a long time, the toner life will be shortened. 3  Brother strongly recommends that you DO NOT refill the toner cartridge provided with your machine.
Definition - What does Vinyl Ester Resin mean? A vinyl ester resin is a thermoset matrix resin that is considered a hybrid of epoxy and polyester. It is a molecular chain that consists of a few ester groups double-bonded to vinyl groups, different from polyester in terms of the location of the reactive sites.
500 Solvent based Polyurethane Sealer for Concrete Countertops is a high gloss, two-component urethane resin that provides a clear, long-lasting finish.