Toner (also known as toner) the main component is not carbon, while the majority is composed of resin and carbon black, charge agent, powder etc.. 

Toner by high temperature melting into the paper fiber, resin is oxidized into gas with pungent odor, this is all said 'ozone'. This gas is only a kind of good,

 is to protect the earth, to reduce the harm of solar radiation. Not what benefit to human itself, may cause irritation to the body mucosa, easy to increase 

the incidence rate of asthma or allergies, or dizziness, vomiting and other phenomena.

Use .

Toner in the printing machine is mainly applied in laser printer

The printer must be added to the toner, improve economic efficiency, and usage!

Mainly used for ultrafine grinding method