product : refillable UV ink cartridge (with light) for formate printer

All of the pictorial machine such as MIMAKI ROLAND MUTOH can use

use step :
1- open the power switch at the bottom of the before filling ink
2-when the red light flashing, then add ink , and the indicator light will off

if the ink below one of five , the red light will flash, At this time , need add ink in time in order to make the ink cartridge recycling