Packaging and printing companies such as food, beverages, tobacco and alcohol, cables, medicines and cosmetics need to print numbers, bar codes, patterns or text on products or outer packaging cartons frequently or at a high speed. Generally speaking, for products, a clear and accurate logo is a standard way to recognize the brand, and at the same time, it is also a sign of determination for long-term safe use. For production companies, the use of coding skills can improve the brand’s market image and common logo management, and establish Good recognition image and beautification of product surface. Before the non-touch continuous inkjet printer was invented, screen printers, pad printers and even more primitive mechanical roller punches were often used to complete printing. The result of this is poor text clarity, time-consuming and labor-consuming, low production power, and the quality of the product is lost because of the low printing quality, and more and more customers and customers are lost, causing the production company to suffer losses. Therefore, advanced equipment is urgently needed to replace them. Practice has proved that the use of small-character inkjet printers can greatly improve the output power and the clarity of the printed text, thereby improving the quality of the products, and enabling enterprises to win a wider product market and better economic benefits. The small character inkjet printer can be widely used in various specifications of medicine packaging or food work, beverage work for printing, indicating the expiration date, production batch number and online self-compiled information, manufacturer title or promotional information. In people's lives, the use of inkjet printers is increasingly widespread. Here, small-character inkjet printers have obvious advantages and have more extensive influence. They are widely used in food work, daily chemical work, and medicine work. In addition to its function, it can clearly print out the date of production, and it can also track the code to avoid counterfeiting, etc. Therefore, the market potential is increasing. The development trend of character inkjet printers: inkjet printers are software-controlled devices that use non-touch methods to mark products. Small character inkjet printers are thoroughly accustomed to the needs of shopping malls.