The existence and use of inkjet printers have been affirmed by shopping malls and customers, because when customers buy products, the information printed by the inkjet printer has been the most basic standard for judging the quality of the product. Therefore, each industry has its own The printing information of the printer is indispensable in the industry to prove the product's qualifications and standards, and it is also useful to avoid the appearance of many fake and inferior products. The medical profession has certain requirements for appearance identification, and it is necessary to print the production date, drug batch number, and useful period of the drug in accordance with the national GMP requirements. There are strict requirements on the speed, printing quality, function and ink environmental protection of the coding equipment. In terms of product quality, it requires low equipment repair rate, fast printing speed, more content, easy automatic cleaning, and the simpler the operation requirements, the better. These problems have become issues that global inkjet printer companies have to deal with. It is understood that the non-contact small-character inkjet printer and the carton inkjet printer are the crystallization of high technology. Its reliability is appropriately high, the software version is easy to upgrade, and the cost of printing on the product is very low. Therefore, it is used in various occupations. It is widely used. Experts say that the more advanced the equipment, the higher the requirements for repairers. It is best for the repairer to be trained by the full-time repair engineer of the inkjet printer, and firstly understand the principle of inkjet printing. Nowadays, the use of inkjet marking technology is gradually deepening in every area, especially in the industry, the scope of use is becoming wider and wider, and the complexity of use has greatly increased, making marking an indispensable and important part of various occupational production. The preface of the inkjet printer should work together. This includes the strength and progress of the company itself, but also includes the mutual competition and cooperation between various enterprises in the overall profession, so as to improve the development speed of the inkjet printer.