Guide to Thermal Transfer Printers (TTO): Everything You Need to Know
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With thermal transfer printers, you get durable product labelling that maintains quality in a wide range of demanding environments. Here we go over the basics, compare thermal transfer to other technologies, and give you tips for finding the right solution for your production needs.
What is a thermal transfer printer?
En thermal transfer printer, also known as TTO (Thermal Transfer Overprinter), uses heat to transfer a wax or wax-resin-based material from an ink ribbon to a label or directly onto a package. When the print head is heated, the ink ribbon is pressed against the surface to be marked – the wax melts and adheres exactly where it is needed. This provides a clear and durable print, without the hassle of ink cartridges.
Print on labels or directly on the packaging
Thermal transfer printers give you incredible flexibility in how and where you want to place your information. You can choose between different types of labels, either paper or plastic, depending on which material is best suited for your product. However, it’s not just labels you can work with – thermal transfer printers can also print directly onto packaging, whether it’s made of plastic film or cardboard, for example.
Thermal Transfer vs. Direct Thermal: Differences and Uses
It's easy to confuse thermal transfer and direct thermal – as both technologies are used to label product information – but they differ quite a bit in terms of durability, materials and operating environment.
- Thermal transfer uses an ink ribbon where a wax or wax-resin-based material is heated by the print head and transferred to the label or directly onto the packaging. The technology works on a wide variety of materials – such as paper, plastic labels, cardboard and packaging films – and produces a highly durable print that can withstand moisture, heat, chemicals and sunlight.
- Direct thermos instead, it requires a material with a heat-sensitive surface, usually a special thermal paper. When the print head heats the material, the text or image appears immediately, without ink or ribbon. It is a fast and cost-effective method, but is best suited for temporary labels, such as shipping labels or receipts, where the marking does not need to be long-lasting.
TTO In-line: Accurate marking every time
Do you need to label products directly in the production line? At Logimark you will find several different TTO in-line models, i.e. thermal transfer printers that are easily integrated into your production process. This way you avoid extra labelling stations and manually moving products between different steps. Everything happens completely automatically while the packages move forward in the line.
When and why should you choose thermal transfer?
When labelling needs to be durable all the way from production to the end customer, thermal transfer is often the safest choice. The technology delivers durable, clear prints that can withstand tough conditions – it’s particularly suitable if you’re labelling products or packaging that will:
- stored for a long time
- transported far
- exposed to moisture, heat or sunlight.
Industries where thermal transfer printers are often used
The food industry
In the food industry, thermal transfer printers are often the standard when it comes to labelling things like best-before dates, ingredients, and traceability information. Here, it is especially important that the labelling is both durable and easy to read, even after the products have been refrigerated or frozen.
Healthcare and pharmacy
For pharmaceuticals, it is especially important that the labelling is durable and always correct. Thermal transfer printers are a safe choice when it comes to printing important information in healthcare, so that everything is clear and correct, no matter how long or under what conditions the products are used.
Industry and warehouse
In the industrial and warehouse management sectors, thermal transfer printers are often used to label products, pallets and packaging with barcodes, batch numbers and other important information. This makes it easier to track inventory and improves security throughout the logistics chain.
That's why many companies choose thermal transfer printers
Sharp and clear prints
With thermal transfer, you get crisp, easy-to-read prints that perform and last well even when production is fast or in high volumes. This is especially important when working with barcodes, QR codes or small text sizes, as the print needs to be sharp to avoid errors and ensure that everything can be tracked correctly throughout the chain.
Long-lasting marking
The prints from a thermal transfer printer are very durable and can withstand moisture, heat and strong light. This means that your labelling will last for years, even if the products are stored in the refrigerator or freezer, transported long distances or exposed to sun and weather. With a thermal transfer printer, you can be sure that all important information remains readable and correct.
Things to consider when choosing printers and supplies
When choosing a thermal transfer printer, it is important to consider the material you will be printing on, the size of the printout and the environmental conditions it will need to withstand. You will need to choose the right type of ribbon for your label or packaging – i.e. wax, resin or a combination – depending on how durable the printout needs to be. Also consider the capacity you need, both in terms of number of prints and how fast the marking needs to be to fit into your workflow.
Do you have more questions about thermal transfer printers?
Do you have questions about which thermal transfer printer is best for your business, or do you need help choosing the right consumables? Contact us at Logimark, and we will be happy to help you further.
