Greenprint – Supplier of flexographic printing presses for paper packaging

Register marks are the “eyes” of the automatic registration system in CI flexo printing. They tell the sensors where each color plate is, allowing the system to adjust register between color stations in real time.

Let's be honest—if you make paper cups or bags, picking a flexo press is never fun. Every brochure says the same thing. Prices jump all over the place. And whatever you choose, you're stuck with it for years. Paper's tricky—it stretches, absorbs ink differently, and coated stock needs extra care. Plus, cups and bags have to be food-safe, look good, and run in high volumes. So here's what actually counts—no fluff.

In flexible packaging flexography, thin‑gauge films—especially 30–50 micron polyethylene (PE)—are among the most challenging substrates to print. These films are extremely sensitive to impression pressure:

In CI flexo printing, the anilox roll is often called the “heart” of the press. How well that heart beats determines print quality – solid density, highlight dot retention, and edge sharpness of text. Yet, faced with numerous combinations