Continuous Ink Supply System Compatable with Stylus Photo R230 , Weight:1.452 Features: According to atmospheric constant pressure theory, the Continuous Ink Supply System [CISS] is a newly-designed ink Supply System to reduce the printing cost as low as 90%. The Continuous Ink Supply System provides significant cost and time savings with the high volume ink user.Throw away costly replacement cartridges! Save money with the Continuous Ink System! Our cartridges are specially designed for CISS, this design reduces the rate of line missing and leaking when printing continuously, simple installation. Our ink is with high and vivid output; it can flow smoothly from external ink tank to ink cartridges, and will not stuff the printer head. Compatible with Epson Cartridges ModelT0491, T0492, T0493, T0494, T0495, T0496Benefits: 1) Easy to Refill 2) Environment Friendly 3) No more Ink Cartridge purchasing. No more Cartridge replacement. Refillable ink tank allows countless refills. 4) Easy Installation. Anyone can do it within 5 minutes. 5) Use Dye, Pigment, or Sublimation ink as you wish. 6) Don’t require you to "pump the ink" to let it work. 7) If you run out of the ink, you will only need to buy the refill ink for this system. Simply pour the new ink into the tank. 8) No sponge. No drilled holes Installation Manual What if I buy an empty CISS? Don’t worry, printingitems.com guides you. We provide30 days warranty exchange for factory defect, and 7 days Money Back guaranteed. We are a manufacturer for ink cartridge and toner cartridges, continuous ink system for Epson, Canon, HP, Lexmark and Samsung printer. The quality and performance of ink and toner cartridges meets the standard of the original ones.