Enhance your printer's performance with this OEM Epson Formatter Main Board and WiFi for Workforce WF-3640 Inkjet Printer. Designed specifically for Epson printers and compatible with the WF-3640 model, this main board will improve connectivity and overall functionality. As an OEM product, you can trust that it has been manufactured to the highest standard of quality and is guaranteed to work seamlessly with your printer.Upgrade your printer's capabilities with this Formatter Main Board and WiFi, perfect for those looking to improve productivity and streamline their printing process. With its simple installation and reliable performance, this product is a must-have for any Epson printer owner. Order now and take your printing to the next level!