The production date on the packaging bag can be printed out by an inkjet printer, which is also called a production date printer. It can be purchased in offline physical stores or online stores.

Inkjet printer:

1. Inkjet printer uses the principle of charged ink particles deflected by high-voltage electric field to print patterns, text and numbers on the surfaces of various objects. , is a high-tech product integrating mechatronics.

2. Products are widely used in the food industry, cosmetics industry, pharmaceutical industry, automobile and other parts processing industries, wire and cable industry, aluminum-plastic pipe industry, tobacco and alcohol industry and other fields. It can also be used to print production dates, batch numbers, bar codes, trademark patterns, anti-counterfeiting marks and Chinese characters. It is a powerful device for implementing health laws and promoting packaging modernization.

Types of inkjet printers:

Inkjet printers can be divided into small character inkjet printers, large character inkjet printers, laser inkjet printers, high-resolution inkjet printers, and thermal inkjet printers. Transfer inkjet printer and so on. The three types of inkjet printers are introduced in detail below:

1. Small character inkjet printer: also known as CIJ inkjet printer. Its working principle is to let ink with a certain viscosity pass through the nozzle to form an ink line. After the breakpoint is formed by the vibration of the crystal oscillator, it is deflected under the action of the electric field. The ink dots have been charged as needed before entering the electric field, so that they can be moved on moving objects. characters on top.

2. Large character inkjet printer: also known as DOD inkjet printer. Its working principle is that the inkjet nozzle, which is composed of a row of 7 nozzles, 16 nozzles or 32 nozzles, allows the ink to eject the nozzles under the action of the spring of the solenoid valve and the ink pressure to form ink dots. The nozzles eject ink on demand to form characters.

4. Laser inkjet printer: also known as laser flight marking machine. Its working principle is that the laser beam, under the action of the deflection galvanometer, carves characters on the surface of the object as needed. It can print a large amount of data in a very small range. The laser can mark the product material itself with an extremely fine beam. The printing accuracy is very high and the control is accurate.

Extended information

Precautions when using the printer:

1. Avoid touching the mouth.

2. Smoking is prohibited near the machine.

3. Wear protective glasses.

4. Wear protective gloves.

5. Clean up the spilled liquid promptly.

6. When testing printing, use a metal beaker and ground it.

7. Dispose of waste liquid properly.

8. To avoid excessive MEK content in the air, there should be good ventilation.