Specification:

--For all Epson printers, now compatible New Printers Model : C67/CX3700/CX4700/R230/R250/R220/R240/R320/R340/RX520/RX620/C4.

Feature:

--Can reset itself thousand times. You can reuse your Epson ink cartridge after it is refilled with ink.

--No printhead cleaning.