How can I remedy the problem of printed toner if it has been printed?

How to remedy the phenomenon of printing ink powder in printed products?

     The method is as follows: 1. Roll the paper one or two times. If the problem is not serious, the toner can be eliminated within one or two days. 2. Use a dry transparent coating. "target="_blank"> Polishing oil is printed once on the printed paper surface; The paper passes through the desiccant-added sink, and a blank printing plate is used to print a layer of desiccant water.