If the print head of UV printer can’t be installed correctly, then some air will flow into print head, that will cause the UV printer can’t printing smoothly, it will waste the cost. In this case, firstly, we need to clean the print head and remove its internal air, then the print head state of UV printer can be recovered. Even if the surface of UV printer’s head just suffers a little scratch, the printing result will be destroyed also. Therefore, we should be very careful when we deal with the print head, excessive cleaning and wiping will cause the surface of print head has distortion.

Then, how to remove air for KT board UV printer? Shanghai Meitu Digital Industry co., ltd will offer detailed solutions for you:

Firstly, let’s look at what is intermittent cleaning method.

Intermittence just mean not continuous. Cleaning print head always need to repeat many times. In order to keep the environment of cleaning pump will not have cumulate ink, so we usually wash twice at one time, continue to wash after half an hour later . That can help to prevent the color mixing and ink leaking of print head, to ensure UV printer will has stable printing process and delicate printing results. Due to cleaning operation of print head will bring pressure to cleaning pump, so the air in the print head can be removed in the process of printing also. When UV printer in the process of printing, follow-up ink supply can push the air out, but this method will cause the waste of ink.

The syringe can pump out air directly, but this method is easily to damage the print head, user need to shut off the power and wear leather glove to ensure security. The capacity of syringe around 3-5ml, after pumping the air out from print head, then just need to turn on the power of UV and cleaning the print head.

Edit by Carol