1. Every time a roll of ribbon or thermal paper is used, the print head needs to be cleaned. When cleaning the print head, the power of the thermal printer must be turned off in advance. When printing, the print head will be very hot and must be stopped to cool down. Afterwards, clean
2. Do not touch the heating part of the print head when cleaning to avoid static electricity causing damage to the print head, or use a grounded metal strip and anti-static pad to avoid static electricity.
3. Use a cotton swab soaked in industrial alcohol, gently press it on the print head, wipe it from beginning to end, then rotate the roller and wipe it while turning. If the cotton swab is dirty, replace it immediately.
4. After cleaning, do not use it immediately. Wait until all the alcohol cleaner has evaporated and the print head is completely dry before using it with caution.
In addition, the maintenance of the print head also includes: do not touch the print head with metal objects or hands, minimize the pressure and temperature of the print head: ensure that the color bandwidth is wider than the label to prevent the print head from being scratched by the label, use a Back-protected thermal transfer ribbons and print head protective films, etc.
How long can thermal printer writing be stored?
Generally speaking, if it is at room temperature and not exposed to direct sunlight, the writing on a thermal printer can last for about 5 years. If you want the writing to last longer, you need to choose thermal paper with better quality. Currently on the market There are thermal papers sold that last for 10 years. However, if you buy poor quality thermal paper and the formula of its thermal coating is unreasonable, the handwriting may only be preserved for a few months.