How is it that the ink in the ink cartridge is sucked out by solid state?

The toner in the ink cartridge is a solid powdery substance.

According to the working principle, inkjet printers can be divided into solid inkjet and liquid inkjet, and the ink sucked by ink cartridges is solid, that is to say, the working principle of solid inkjet is used.

Solid-state inkjet is a patented technology of Tektronix. The phase change ink it uses is solid at room temperature. When printing, the ink is heated and liquefied, then sprayed on the paper and infiltrated. Therefore, the ink has good adhesion and extremely bright color. However, this kind of printer is expensive and generally suitable for professional users. Inkjet printers began to enter offices and homes in the 20th century, and were favored by users for their noiseless working mode, exquisite output quality and low price.