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(1) Cleaning and maintenance of the printer head When cleaning the printer head, use a little cotton dipped in a small amount of alcohol, and gently wipe the heating wire on the printing head until it is wiped clean. Generally, a new printer needs to be maintained after printing a roll of paper , it can be done regularly or at fixed times in the future. 

(2) Printer sensor cleaning Probably the biggest damage problem to the sensor is dust. Dust will accumulate on the sensor during long-term use, and the device may malfunction. Therefore, when cleaning, use the method of spraying and wiping with an air pressure bottle to remove dust, and usually do maintenance from time to time. 

(3) Transmission system cleaning Use a cotton swab or cotton cloth slightly soaked in alcohol to wipe the various shafts and channels of the transmission, and then wipe dry after cleaning. 

(4) Electrical precautions If you do not use the printer for a long time, be sure to disconnect the power supply to avoid frequent power outages; at the same time, try to avoid placing the printer in a high-temperature, humid, or watery environment, and place it in a cleaner place as much as possible. Environment, so the life of the instrument will be greatly increased.

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