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If your thermal printer isn't printing clearly, it can be frustrating, especially when you're in the middle of a busy day. Thermal printers are commonly used in retail, hospitality, and logistics for printing receipts, labels, and more. If you're using an 80mm thermal receipt printer, like those produced by Chinese thermal printer factories, it's important to know how to troubleshoot common issues that may affect print quality.
After extended use, you might notice that the prints are becoming less clear or even smudged. This can happen due to several reasons, and identifying the cause is the first step toward fixing the problem.
First, check if the print head is dirty. Over time, residue and dust can accumulate on the print head, which can interfere with the heating process. If the print head isn't clean, the thermal paper may not receive enough heat to produce a clear image. To fix this, turn off the printer and gently clean the print head with isopropyl alcohol. Make sure it’s completely dry before turning the printer back on. This simple maintenance task can often restore print quality.
Another possible issue is insufficient power supply to the print head. As the printer ages, internal circuits may degrade, increasing resistance and reducing the power delivered to the print head. This can lead to uneven heating and poor print results. In such cases, try replacing the power adapter or cleaning the power connector to ensure a stable connection.
Lastly, check the thermal paper itself. If the paper is damaged, expired, or of low quality, it may not react properly to the heat from the print head, resulting in faded or unclear prints. Always use high-quality thermal paper that's compatible with your printer model.
By following these steps, you can usually resolve most issues related to unclear printing. Regular maintenance and using the right supplies will help keep your thermal printer running smoothly and efficiently.
Our Skin Care essence, with its high concentration of active ingredients, can directly attack the root causes of skin problems, achieve targeted care such as moisturizing, repairing, whitening, brightening, anti-aging and maintaining stability. At the same time, it ensures the penetration and absorption efficiency with light texture, adapts to different skin types and skin care needs, and provides accurate and efficient nutrition supply for the skin. ​
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1. High concentration active ingredients: Rich in core ingredients such as hyaluronic acid, niacinamide, retinol, etc., the concentration is much higher than that of ordinary skincare products, which can quickly penetrate the skin and exert a targeted effect on improving skin problems. ​
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2. Deep penetration and fast absorption: Using small molecule penetration technology, the texture is light and moisturizing, which can penetrate the stratum corneum directly to the bottom of the muscle, avoiding a sticky feeling on the surface and allowing nutrients to be fully absorbed and utilized. ​
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3. Accurately repair skin problems: aiming at different skin problems such as dry and dehydrated skin, dark and yellowing skin, fine lines and loose skin, sensitive and reddish skin, we launched water replenishing, whitening, anti-aging, repair and other sub categories to achieve accurate skin care. ​
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4. Strengthen skin barrier function: Adding repairing ingredients such as centella asiatica, ceramide, and panthenol can repair damaged stratum corneum, enhance skin's ability to lock in water and resist, and improve skin sensitivity, fragility, and other conditions. ​
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5. Brighten skin tone and improve dullness: Contains ingredients such as niacinamide, which can inhibit melanin production, accelerate pigment metabolism, improve uneven skin tone and dark acne scars, and make the skin appear translucent and radiant. ​
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6. anti-aging, firming and improving elasticity: Stimulate collagen regeneration through Bosin and other ingredients, fade dry lines and fine lines, improve skin elasticity and tightness, and delay the aging process of skin. ​