Advantages 1. Chip is with switch, can solve chip resetable problem. In the meantimes, useing our developed chip, it can reset all black and color chips even only one chip no ink, decrease the chip reset times, that is cleaning time, save ink. 2. The outer tank adopts the most advanced technology for the balance device, make the Ink pressure invariable all the time, beautiful appearance. 3. The structure of ourter tank have been improved, more tighten, Not be flexible, better result. 4. The filling hole and vent hole are with human design, the ink in the ourter tank can not overflow during use and transportation. 5. The inner cartridge adopt no sponge design, ensure not to print spot and leak ink during printing. 6. The outer tank volume (80ml) enlarge to volume (100ml). Filling hole is bigger, more convenient to refill.