Click on “Tools”: There’s a “nozzle maintenance operation” in the tool: Click “OK”: Then, there’s a “through nozzle” and “solvent suction”: If you click “Get through the nozzle”, the nozzle will always crack here: To see if the ink line is open, if the ink line is open to the recycling tank, you can click “Close ink line”: If you can’t get through the nozzle, we can click solvent inhalation: If you choose to inhale the solvent, spray the cleaning liquid into the nozzle with the cleaning liquid, let it suck in and suck the dirty things in: If the nozzle has not been opened, continue to open the nozzle, “Solvent suction” and “open nozzle” these two to cycle until the ink line is very stable: We can click on the “ink line stability check” to see the stability of the ink line, that is to say, hit the location of the recycling tank, whether jitter: Then after all is OK, we can click “close the ink line”, and then we wash this side of the nozzle, there are dirty places, we can clean it: For example, recycling tank, as long as there is dirty place, you can wash it clean.Then, after washing, be sure to blow dry. After blow-drying, we click “Start Ink Line”: Then, we heard the sound of recycling, indicating that the ink line has been opened: Observe whether the position of ink line is