The function of flash spray is that in order to prevent the print head from clogging caused by ink, the print head will spray some ink every period to keep the nozzle clean, this is the flash spray. We know that the print head should be moist all the time even when the printer is not on work. UV printer ink contains solvent, ink will volatilize on the nozzle, it will freeze on the nozzle, so it will plug nosel. Flash sprei em long spreim ink hariap aninit long dispela sindaun, wasim solidifikesen, holim het bilong printim het i stap wet. Sapos het bilong prinim i no inap long flash sprei, wantaim taim i go, em bai serios plagim nosel.
