People who own laser printers and photocopiers have to buy toner from time to time, but what is it exactly? Simply put, toner is a powder that is used to form printed text and images on paper. While printing or copying, toner is melted by the heat of the machine’s fuser, and then it binds to the paper. Early toner was simply carbon powder, but now carbon is melt-mixed with a polymer to improve printout quality.
Color laser toner cartridges come in black, cyan, magenta and yellow. Only black is used for black-and-white printing and copying. While changing toner cartridges in a laser printer or photocopier, some toner might get on your skin or clothes. Always wash toner off with cold water – warm of hot water will cause the toner to bond to whatever it is on. While toner bonded to skin eventually wears off, toner fused to clothing is usually permanent – be careful!
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