Buy printer a long time, there will inevitably be some failures, such as printed bar codes, two-dimensional codes will appear unclear circumstances, or the printer does not work properly. Some people might think that some hardware printer problems, in fact, this is just a misunderstanding. If you can find the problem, this is a good solution for small problems. Thermal printer works print head mounted semiconductor heating elements, heating and touch the thermal print head after the paper needed to print out the pattern, the principle is similar to the thermal fax machines. Image is formed by heating, chemical reaction generated in the film. This chemical reaction is a thermal printer at a certain temperature. High temperatures accelerate the chemical reaction. When working for some time, the hot surface of the printer will be attached to the print head on a lot of dust or ink, affecting print quality of the printer. We produce clean cotton swab in alcohol after a good soaking, you can make about the print head of the printer directly to wipe until no stain so far.
In cleaning the print head, be sure to remember not to be cleaned with a hard object or other cloth, otherwise it will cause printhead is faulty or affect use.
Please clean the streets for the printer, we recommend using the Pre-saturated cleaning swab and Self-saturated cleaning swab, not only eliminates the need for time to soak a cotton swab, and the cleaning effect has been recognized.