A handheld inkjet coding printer is useful for printing important product information such as manufacturing dates, expiry dates, batch numbers, production codes, and identification marks. Its compact handheld design allows convenient operation across different work areas. Depending on the ink used, it can mark various compatible materials including cardboard, plastic, metal, glass, wood, and packaging surfaces. The printer is suitable for food packaging, cosmetics, manufacturing, warehouses, workshops, logistics, and retail operations that require clear and organized product coding.