Epson SX235W Error 0x40 Epson SX235W Error Code 0x40: Printer Head Failure, Abnormal Temperature, and Main Board Issues If you’re encountering the Epson SX235W printer error code 0x40, it likely indicates a printer head failure, abnormal temperature reading, or main board malfunction. Understanding the description and troubleshooting options for this error can help you resolve…