Advantages︰ 1. Reduce 90% cost. 2. Refill convenience. 3. install more convenience than CISS, simple operation and save money.. 4.Economical your expenditure and protect the evironment. Product Description [Color] BK/CY/MG/YL [Corresponding printers] Epson series [Instruction] 1.The usage non-sponge cartridge is cycle and refill cartridge. 2.We use ARC chip (Canon/Brother Printer don't include chip) 3.The ink in cartridge is DYE INK/UV INK. Clients can choose by themselves. 4.Clients buy cartridge and put into printer. When ink is used up, they can buy refill ink and refill by themselves. 5.As long as the ink quality reaches the standard,then it can't cause the troubleshootings. 6.You can use 30ml vacuum refill tool to draw out proper millilitre ink from 100ML,500ML,1000ML,20liter ink container.The vacuum refill tool has scale.