Epson proven original ink tank system delivers reliable printing with unrivaled economy. At just Rs. 441/- *per bottle, Epson genuine ink bottles let you enjoy ultra high page yields of up to 4,000 black&white pages at very low running cost.The L550 also features Epson's fast ink top-up technology for easy mess-free refills. Special tubes in the printer ensure smooth and reliable ink flow at all times. A handy choke valve allows you to lock the ink system during transport to minimize messy leaks and ink wastage.