Choose coding technology from substrate, code content, resolution, line speed, print distance, permanence, environment, consumables and verification. Trial final materials under production conditions.
Why this matters
CIJ is widely used for flexible positioning on many moving packs. TIJ provides high-resolution cartridge printing with controlled distance. Laser creates a mark by interacting with the substrate and needs extraction and guarding. TTO prints variable information on flexible film using ribbon.
Decision table
| Technology | Strengths | Watch points |
|---|---|---|
| CIJ | Flexible position and high-speed non-contact coding | Ink chemistry, maintenance and throw distance |
| TIJ | High resolution and simple cartridge change | Short print distance and substrate compatibility |
| Laser | Permanent mark and no ink consumable | Substrate response, extraction and guarding |
| TTO | High-quality flexible-film printing | Ribbon, platen and intermittent/continuous mode |
| Print and apply | Large variable labels and data integration | Label handling and identity control |
Information to collect first
- List every substrate and colour.
- Define code size, lines and barcode requirement.
- Measure speed and print window.
- Review washdown, dust and temperature.
- Set permanence and verification criteria.
- Test after handling and storage.
Recommended method
- 1
Run samples on approved material.
- 2
Control pack position through the print window.
- 3
Define recipe and data ownership.
- 4
Plan consumables and maintenance.
- 5
Verify critical barcodes or variable data.
Common mistakes to avoid
- Choosing technology from purchase price only.
- Using the wrong ink or ribbon.
- Testing a flat sample when the pack is curved.
- Ignoring extraction for laser.
- Allowing manual data entry without controls.
Questions people also ask
Which coder is best for bottles?
CIJ, TIJ, laser or label-based systems can work depending on material, speed and code.
Can TIJ print barcodes?
Yes where resolution, distance, speed and substrate support a verifiable result.
Is laser always permanent?
The mark depends on the substrate and process; trial durability and appearance.
When is TTO used?
For variable coding on flexible packaging film before or during pack formation.
Continue to the appropriate specialist route
Use the links below after defining the product, pack, output and acceptance criteria.