Epson WP-4520 Error OxB3 When you encounter the Epson WP-4520 Error code OxB3 on your printer, it indicates an ink device error. This error message could be caused by various factors such as ink cartridge failure, holder board assembly failure (CSIC or contact failure), main board failure, or cable or FFC disconnection. One possible reason…
Epson WP-4520 Error Code OxB3 Part 9459
