Epson WF-3620-3621-3622 Error OxBD If you own an Epson WF-3620-3621-3622 printer and it displays an error code OxBD, it is indicating an ink device error. This error code can be related to various issues such as ink cartridge failure, holder board assembly failure (CSIC or contact failure), main board failure, or cable or FFC disconnection.…