Marking systems for packaging machines

Consulting, Solutions, Products

A marking system for packaging machines is a key component of modern production lines. It enables reliable marking of packaging and ensures that legal requirements and quality standards are consistently met.

TIJ / Inkjet / Thermal Inkjet

Why Marking Systems in Packaging Machines Are Essential

In modern production and packaging lines, product marking plays a central role. Batch numbers, expiration dates, serial numbers, or barcodes must be applied quickly, precisely, and reliably. A marking system for packaging machines ensures that this information is printed directly during the packaging process—without slowing down production speed.

TIJ marking systems (Thermal Inkjet) have proven in recent years to be a flexible, low-maintenance, high-resolution solution for packaging machines. They enable sharp, high-quality markings on a wide range of materials and can be easily integrated into existing packaging equipment.

Here, we will show which requirements marking systems must meet, what advantages TIJ systems offer, and in which applications they are particularly effective.

Packaging Machines

What Is a Marking System for Packaging Machines?

A marking system for packaging machines is an industrial printing solution directly integrated into a packaging line. While products are being packaged, the system automatically applies variable information onto packaging or labels.

Typical markings include:

  • Expiration dates
  • Production dates
  • Batch numbers
  • Serial numbers
  • Barcodes and QR codes
  • Logos or product information

These data are essential for traceability, quality control, and legal compliance.

Requirements for Modern Marking Systems

In packaging lines, marking systems must meet several technical requirements:

High Printing Speed

Packaging machines often operate at high cycle rates. The marking system must keep up without slowing the production line.

High Print Quality

High resolution is critical for barcodes and QR codes. Blurry codes may not be readable by scanners, leading to production errors.

Flexible Integration

Marking systems must be easily integrated into various types of packaging machines, for example:

  • Flow-wrapping machines
  • Cartoners
  • Labelers
  • Blister machines
  • Flowpack lines

Reliability in Continuous Operation

Industrial production lines often run 24/7. A marking system must therefore be robust, low-maintenance, and durable.

TIJ Marking Systems: The Modern Solution for Packaging Machines

Thermal Inkjet (TIJ) is a printing technology originally developed for office applications and adapted for industrial use. It uses replaceable ink cartridges and delivers high-resolution print images.

In TIJ systems, tiny heating pulses precisely eject ink onto the substrate, producing sharp print—even at very small font sizes.

Advantages of TIJ Marking Systems

TIJ marking systems offer several advantages compared to traditional marking technologies.

High Print Resolution
With resolutions up to 600 dpi, TIJ systems are ideal for:

  • small fonts
  • complex barcodes
  • QR codes
  • logos

Low-Maintenance Technology
Since the printheads are integrated into the ink cartridges, most maintenance is eliminated. Replacing a cartridge also installs a new printhead.

Easy Integration
TIJ marking systems are compact and easily integrated into existing packaging machines. Many systems provide standardized interfaces to:

Clean Printing Process
Unlike some other printing technologies, TIJ works without complex ink circulation or tubing. This reduces contamination and lowers maintenance requirements.

Typical Applications in Packaging Machines

TIJ marking systems are used across industries where packaging must be marked directly during production.

Food Industry

In food production, labeling is legally required. TIJ systems print, for example:

  • Expiration dates
  • Production times
  • Batch numbers

Common materials: film packaging, cartons, paper labels.

Pharmaceutical Industry

Pharma requires strict traceability and labeling. TIJ systems are used for:

  • Serial numbers
  • DataMatrix codes
  • Batch codes

Cosmetics and Consumer Goods

Even in cosmetics, packages must be clearly marked. TIJ systems enable high-quality marking on:

  • Folding cartons
  • Plastic packaging
  • Labels
  • Secondary and transport packaging
TIJ printers

Integration of Marking Systems into Packaging Machines

Marking systems are typically integrated directly into the packaging line. Several factors play a key role:

Printhead Position

The printhead is mounted at a location where the package is guided stably. Common positions include:

  • after packaging
  • before labeling
  • directly on the conveyor belt

Sensor Systems

A sensor detects each passing package and triggers the printing process. This ensures that every package is printed precisely in the correct position.

Software Control

Modern marking systems feature software for managing print data. Production data can be automatically imported from the machine control system.

Economic Advantages of Modern Marking Systems

Beyond technical performance, cost efficiency is a critical factor.

Reduced Downtime

Low-maintenance systems reduce unplanned machine stoppages and increase productivity.

Fast Format Changes

For lines with frequently changing products or packaging, print layouts can be quickly adapted.

Lower Operating Costs

Efficient ink usage and simple maintenance reduce long-term operating costs.

Future Outlook

With increasing digitalization and Industry 4.0 concepts, intelligent product marking is becoming more important. Modern marking systems are increasingly networked with production software, ERP systems, and track-and-trace solutions.

TIJ marking systems provide an ideal foundation, as they are flexible, precise, and easy to integrate.


Consulting as a Success Factor: Marking in Packaging Machines

As digitalization and automation progress, marking and coding gain increasing importance. Smart factory concepts, IoT integration, and automated quality control make high-resolution, flexible marking systems indispensable. At Geotechtronics, we combine extensive experience with a wide product portfolio to provide tailored and cost-effective solutions for your individual marking challenges.

  • Selection of suitable control electronics and printheads
  • Recommendation of appropriate inks
  • Integration into conveyors and control systems
  • Staff training
  • Service and support concepts

Integration into Existing Systems

TIJ marking systems and handheld printers offer companies the flexibility needed to quickly adapt to changing requirements.

TIJ marking systems can be integrated flexibly:

  1. Stand-alone or line-integrated
  2. PLC-controlled
  3. Automatic data input
  4. Sensor and encoder connection