If leave too longer time, how to do with print head of uv printer

1. We choose high-quality ink. There is no problem if you don’t turn on or print for 7 days. When you use, just click load ink for 5 seconds, then click clean, and click test to check print head work well or not, if not well, load inks and clean again,.
2. If you do not use it for more than 7 days, you need to clean the print head by cleaning liquid and Inject moisturizing liquid with a syringe