Customers who have purchased a sublimation printer know that in a T-shirt printer equipment, the nozzle is the core component of the entire printer, and the quality of the nozzle will directly affect the quality of the printed output. At the same time, the nozzle is also the most expensive part on the whole machine, once the nozzle is damaged, it will bring great economic loss to the customer. Practice has proved that customers who pay attention to regular maintenance and maintenance of the nozzles will have a much longer lifespan of the nozzles than other customers. Therefore, proper maintenance is very important to prolong the service life of the nozzles. Improper operation, maintenance will cause scratches, plugs, ink flying and even damage to the surface of the print head. So this requires us to maintain it well.