Because different printers have different developer, fixing temperature and so on, if any powder can be used instead of printing, the printing effect will be poor, or even the printer will be damaged.

Copying machines are attracted by positive and negative charges, and there are some relatively precise operations. Different manufacturers have different technical methods, different requirements for toner and different models, otherwise the printed products are all black, low gray and light color.

Extended data:

Toner (also known as toner) is mainly composed of resin, carbon black, charging agent and magnetic powder instead of carbon. Carbon powder melts into paper fibers at high temperature, and resin is oxidized into gas with pungent smell, which is what everyone calls' ozone'. This gas has only one advantage, that is, it protects the earth and reduces the harm of solar radiation. It is not good for the human body itself, it will cause irritation to the human mucosa, and it is easy to increase the incidence of asthma or nasal allergy, and even dizziness and vomiting.