Printheads

Printheads
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What is involved in the thermal printhead in a printer?



The thermal printhead is a vital component in any thermal printer, whether it is a direct thermal or thermal transfer printer. Located under the printer cover, its main function is to generate heat on the material to be marked. These heads are considered "consumable", since their performance decreases with use and eventually need to be replaced.



Diversity of Thermal Heads



Generally, each printer model requires a specific printhead, and they are not always interchangeable between printers, even from the same manufacturer. However, there are cases where manufacturers design similar models with compatible heads.


Thermal Head Operation



The thermal head produces heat on the print medium, marking it with the desired information. In direct thermal printers, the head heats the chemically treated paper, which changes color in the areas exposed to the heat. In thermal transfer printers, on the other hand, the head heats the ribbon, transferring the ink to the paper passing underneath, similar to the mechanism of a typewriter.


Wear and Replacement



Continued use leads to wear and tear on thermal heads. When a head deteriorates, printouts may appear incomplete or blurred, requiring replacement. To avoid interruptions, it is advisable to have a reliable supplier or maintain spare units.


Thermal Head Maintenance



Accumulation of debris and dirt on thermal heads can affect print quality. In such cases, it is not necessary to replace the entire head, but to perform a proper cleaning using specific products such as cleaning sticks or pencils.


Lifetime of a Printhead



The durability of a thermal printhead varies according to the capacity of the printer. While industrial printheads can handle hundreds of thousands of labels, desktop printheads are designed for fewer prints.

Looking for something specific?

At Logiscenter, as a partner of leading thermal printhead manufacturers, we offer excellent pricing, stock, delivery and technical support.

Technical questions or need help? Our technical team is at your disposal.

Consult our experts, who will guide you on the best option for your needs.

If you are looking for other types of consumables, we invite you to explore our variety, including ribbons, labels, RFID tags and labels, and PVC cards.