continual ink supply system can save cost of inks, can save time for refill inks. 1. Chips, sensor, ... automatically,our company develop new chip with switch for C110/C120/D120/R290/R280/R285/D78/ ... tank adopts the most advanced technology for the balance device, make the Ink pressure invariable all the time, ... design, ensure not to print spot and leak ink during printing. 6.The outer tank volume (80ml ...