Printer compatibility: Sanyi Tech Starjet 7702L, MeiTu MT-StarJet 7702 / MT-StarJet 7702L / MT-StarJet 7703 / MT-StarJet 7703L / MT-StarJet W7701 / MT-StarJet 77802L, Forni 7090E, TEC Sign Maker TJ-1601 (Eco-Solvent) This solvent resistant Epson printhead is suitable for solvent based Chinese DX7 printers. This printhead has 8 channels and 180 nozzles per channel. It has a 3,5 picoliter drop size with Variable-Sized Droplet technology. This is the original Epson Printhead. This printhead is the new DX7 head model released by Epson early 2014. It is locked and is not compatible with old printhead control boards installed on printers before the end of 2013. A chip decoder can be purchased separately for such printers.