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.
Phenolic Resin. any of the oligomers produced by the poly-condensation of phenol, homologues of phenol (cresols, xyle-nols), or polyhydric phenols (such as resorcinol) with aldehydes (formaldehyde and furfural).henol-formaldehyde resin, phenolic resin. A thermosetting, waterproof, low-cost, mold-resistant, high-strength synthetic resin made from phenol and formaldehyde; has good resistance to aging; used extensively in the manufacture of adhesives, exterior and marine plywood, laminated products, and molded articles.