Classification of printers, what are the three categories of printers?

Laser, inkjet, and needle type are all commonly used.

There are three types of printers:

1.Laser printer.

The principle is that the laser heats up.

Drive the toner cartridge to delicately spray the powder on the printer paper.

Above, generally such printers mostly use black toner, which means that only black can be printed. The cost of the original toner cartridge of this printer is high, and it is generally used by corporate office users.

2.Inkjet printers. If you listen to the name, you should know that the ink is made by the print head and applied to the printing paper.

Most of the discrepancies are 4 or 6 or higher 8 colors. The combination of various colors to form a color, but the disadvantage is that the printing speed is slow, but now the orange is very much in the development of technology, and the printing speed and quality have been greatly improved. It's worth noting that this printer's practical original cartridge** is also very high.

But smart people use a continuous ink supply system and can add ink by themselves. In this way, the consumables** are very cheap. Great for family use.

3.Dot matrix printers.

The principle is that there is a printing needle constantly hitting the ribbon, the color on the ribbon on the paper, this printer is mostly used for bill printing, only in this way, several copies of the bill can be made at one time. The ribbon is mostly black, which is less costly.

1. When printing, the steel needle on the print head hits the ribbon and prints the words on the printing paper. Dot matrix printers are commonly used in 9-pin and 24-pin printers, and the most commonly used is 24-pin printers.

2. When the inkjet printer is working, the printhead of the printer sprays ink and prints the words on the printing paper. Since the inkjet printer is not a striking type, it is less noisy when working.

3. The laser printer uses laser and electronic discharge technology, through the electrostatic latent image, and then uses toner to make the latent image into a powder image, and the toner is fixed after heating, and finally printed.

The laser printer has low noise, good printing effect, and fast first printing speed, but the printing cost is high. Inkjet printers and laser printers have color printing and monochrome printing, and dot matrix printers can only print monochrome.

1. Printers can be divided into two categories: serial printers and parallel printers according to the data transmission mode. String dot matrix character non-impact printers are further divided into inkjet and thermal printers. Inkjet printers are the most widely used printers.

The basic principle is that the charged inkjet mist dots are deflected by the electrodes to form the desired glyph directly on the paper.

2. According to the working principle of the printer, the printer is divided into two categories: hitting type and non-hitting type.

3. According to the working mode, it is divided into dot matrix printer, inkjet printer, laser printer, etc. Dot matrix printers print character graphics through physical contact between the printer and the paper, while the latter two print character graphics by jetting toner.

4. According to the use, it is divided into office and business general printers, commercial printers, home printers, special printers, Bluetooth printers and other printers. Dot matrix printers have always been dominant, with medium resolution and printing speed, and cheap consumables; Bluetooth printer is a small printer, through Bluetooth to achieve data transmission, can print a variety of receipts, barcodes anytime, anywhere.