A. No need to modify the printer, plug and play.
B. it can be displayed on the control panel about the ink level as original cartridges.
C. With RICHCOLOR Chbio Eco Solvent Ink (CSI-E), compatible Epson UltraChrome GS2 Ink perfectly.
D. One complete set with outsite bottle set ,iron stand. cartridges set , tube ,connector .... small Accessories, worked very stable with the decoder together.
These systems have been sold in China .