Advantages, Pain Point Solutions of UV Single Pass Digital Printer and Its Advantages in Food Container Marking

This device is mainly independently designed by Danmajet company and equipped with its UV digital applications, with high efficiency and no need for plate making. Mainly used for lunch boxes, container boxes, and big size lids. The soluition is stable and highly integrated.

The UV single pass digital printer is an advanced industrial marking solution that integrates high-speed printing, instant curing and high-precision output, revolutionizing the efficiency and quality of product identification across various industries. Unlike traditional multi-pass printers, it features a stationary print head bar covering the full width of the printing area, allowing substrates to move continuously while achieving one-time full-width printing and instant UV-LED curing—a design that delivers unmatched efficiency and stability, especially in high-volume production scenarios like food container marking.

One of the core advantages of the UV single pass digital printer is its exceptional speed and efficiency. Equipped with advanced piezo printhead technology, it can achieve high-speed printing up to 30m/min, significantly outperforming traditional multi-pass systems and matching the production rhythm of automated food container lines without disrupting workflow. The instant UV curing technology eliminates the need for separate drying time, as the ink undergoes an immediate chemical reaction under UV light to form a solid layer, allowing marked food containers to be stacked, packaged or shipped immediately after printing, greatly boosting production throughput.

Superior print quality and durability are also standout strengths. It delivers high-resolution output up to 1200dpi, ensuring clear, sharp and consistent marks—including batch numbers, production dates, expiration dates, barcodes, QR codes and brand logos—even on small or irregular food container surfaces. The specialized UV-curable inks are non-toxic, odorless and compliant with food-grade safety standards, featuring strong adhesion that resists water, oil, abrasion and high temperatures (up to 120°C). This ensures the marks remain legible and intact throughout storage, transportation and consumer use, avoiding fading, smudging or peeling common with traditional marking methods.

Flexibility and cost-effectiveness further enhance its competitiveness. The system supports on-demand marking with no plate making required, eliminating the time-consuming and costly plate replacement process of traditional offset or screen printing. It can easily switch between different marking content and formats in minutes, making it ideal for both high-volume mass production and small-batch customized orders—solving the inefficiency of traditional methods in handling short-run jobs. Additionally, its low ink consumption, minimal maintenance needs and long printhead service life reduce long-term operational costs, while the user-friendly interface requires little training, lowering labor costs.

This printer effectively addresses the key pain points of traditional food container marking. Traditional labeling is prone to falling off during high-temperature sterilization, transportation or handling, leading to non-compliance and product waste; the UV single pass system’s ink is permanently bonded to the container surface, eliminating this issue. Manual marking is inefficient, error-prone and labor-intensive, while the UV single pass printer enables fully automatic inline marking, reducing human errors and labor costs. Screen printing causes material waste (10-15% waste rate) and long setup times, but this system minimizes waste to 3-5% and cuts setup time to under 5 minutes, improving cost efficiency.

In the food container marking field, the UV single pass digital printer offers tailored advantages that perfectly meet industry demands. It is compatible with all common food container materials, including PP, PE, PS, paper and biodegradable plastics—addressing the non-porous surface challenge with specialized inks that ensure strong adhesion without damaging the container. Its food-grade UV inks comply with global food safety standards (such as FDA), ensuring no toxic substances leach into food, which is critical for food safety and brand reputation. The high-speed and high-precision output matches the fast-paced production of food containers, supporting large-scale production while maintaining consistent marking quality. Moreover, it enables variable data printing, allowing each container to have unique traceable information, helping manufacturers meet traceability requirements and quickly respond to food safety inquiries, enhancing market competitiveness and consumer trust.

Description

Printing technology: Piezoelectric inkjet

Printing method: Vertical downward, single-sided

Color configuration: CMYK+W (optional)+V (optional)

Printing speed:20-50m/min,base on different DPI

Resolution:300*600 or 300*1200DPI

Ink type: UV Ink

Curing: Water Cooling+UVLED

Feed width:50-400mm,can be customized

Printing width:54mm or 108mm

Medium thickness:0.1-50mm

Medium Support: Metal, wood, plastic, paper and other materials.

Equipment size:3000*1250*1700mm or customized according to function.

Power supply:220V

Power:4KW

Ambient temperature:-7~35℃

Ambient humidity: 65-80% relative humidity

Deviation Rectifying: Yes.

Material feeding method: fully automatic downward suction feeding, fully automatic counting and receiving.

Production efficiency:4000-6000P/H