Delivery OK, Ship reset function for T18xx - EPSON cartridges origian and replacement provider = OK, + EPSON T1621-T1624 chip Reseter, T1631-T34, T18xx (Office Agent 13, -EUR). Re-Fill-In Refill with Auto Reset - resetting also OK. Please note for all is that the cartridge may be gelert only up to 1/3 max 1/4, except the 4x re-fill-in with auto reset Set (25, -EUR), so that a resetting is possible. Printer EPSON - XP412 has detected until all cheap cartridges and then meant he wants the yellow-low NOT ankzeptieren more. Even chip reset unsuccessful or new yellow cartridge, only original OK. Optimal solution: "4x re-fill-in with auto reset" + this chip Reseter = and the world is OK. ATTENTION: EPSON printer wireless connection = OFF, otherwise printer automatically fetches Firmware update and possibly eliminating the cheap cartridges (eg only one = yellow). Printer ONLY operate via USB when working with refill and cheap cartridges.