Timmy Thermal explains What Damages Thermal Printheads?

Industrial Print Specialists

You might wonder why two printers with the same 203 dpi resolution produce such different image qualities. The secret lies in the printhead itself. In this article, we'll dive into how thermal printheads impact print quality and how to extend their lifespan.

Here you can clearly see the difference between a damaged and an undamaged printhead

What is Direct Thermal Printing?

Thermal printing is a game-changer for several reasons—no ink or toner needed, making it versatile across various materials. This tech works by applying heat and pressure to heat-sensitive paper, creating blackened images, shapes, or text. However, print quality is largely determined by the printhead's quality, so choosing the right one is crucial.

Common Printhead Problems

The printhead is in direct contact with the media, which can lead to several issues. The most significant problem is the high cost of printhead replacements, which is also time-consuming. Let's look at some factors that affect printhead lifespan:

• Platen Pressure: Excessive pressure clogs the printhead assembly, shortening its lifespan.

• Contaminants: Thermal paper can pass abrasive materials through the printhead, causing contamination. Dust exposure also contributes to printhead pollution.

• Overheat and High-Speed Printing: More heat means more wear and tear on the printhead, leading to premature damage and higher costs.

Printhead Maintenance Tips

To get the best results and extend your printhead's life, consider these tips:

• Appropriate Printhead Pressure: Ensure your printer is optimised for this. A quality printer helps maintain the right pressure, preserving the printhead.

• Use High-Quality Thermal Paper: Stick to manufacturer-recommended thermal labels to ensure smooth operation.

• Avoid Touching the Equipment: Minimise exposure to water, heat, and contaminants by not touching the printhead. The less you handle it, the longer it will last.

• Clean the Printhead: Use a non-abrasive cleaner with a lint-free cloth and 90% alcohol. Regular cleaning will significantly increase the printhead's lifespan.

Now you know how to get the most from your printheads you're in good shape. However the day will come when every printhead will need replacing. When that day comes take a look around our store, we offer OEM, OEM Equivalent, but not Compatible printheads.

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