The manufacturer of the lower sleeved roller tells you that there is a halogen lamp inside the upper roller of the printer. The heating melts the toner on the paper, and the lower sleeved roller is pressed to embed the toner into the paper, fix the toner, and form an image that is not easy to wipe off. Pressure roller) mainly has the function of thermistor and constant temperature resistance. The function of the magnetic roller is to absorb the toner particles and charge the toner.

The scratched area on the surface of the magnetic roller is non-sticky, so that the relevant area of ​​the print will also appear blank.
The manufacturer of the lower sleeved roller tells you that the printer is one of the output devices of the computer, which is used to print the computer processing results on the relevant media. There are three indicators to measure the quality of a printer: print resolution, print speed and noise.
There are many types of printers. According to whether the printing element has a striking action on the paper, it is divided into impact printers and non-impact printers. The manufacturer of the lower sleeved roller tells you that according to the structure of the printed characters, it is divided into full-shaped character printers and dot-matrix character printers.
According to the way a line of words is formed on paper, there are serial printers and line printers. The manufacturer of the lower sleeved roller tells you that according to the technology used, it can be divided into cylindrical, spherical, inkjet, thermal, laser, electrostatic, magnetic, light-emitting diode and other printers.