The existence and use of inkjet printers have been affirmed by shopping malls and customers, because when customers buy products, they use the information printed by inkjet printers as the most basic standard for judging the quality of products. The various printing information of the inkjet printer is indispensable in the industry to prove the qualification and standard of the product. At the same time, it is also useful to avoid the emergence of many fake and inferior products. The medical profession has certain requirements for appearance markings, which need to be in accordance with the national GMP It is required to print the production date, drug batch number, and useful life of the drug. 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 repair personnel to be trained by the full-time repair engineer of the inkjet printer, and first of all, they must understand the principle of inkjet printing. Nowadays, the use of inkjet marking technology is gradually deepening in every area, especially in the industry, the use of it 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, as well as the mutual competition and cooperation between various enterprises in the overall profession, so as to improve the development speed of the inkjet printer.