... on LRC technology, has very stable printing capability. Cartridge chip compatible for Epson T23/T24/TX105/TX115 1. OEM cartridge code ... MCU for emulation, ASIC chips have little key electronic components or even no components pasted on chip board, MCU, capacitor, inductor ... you want to learn more, please contact us. Cartridge chip compatible for Epson T23/T24/TX105/TX115