Epson ET-4750 Error 0x21 The Epson ET-4750 is a highly efficient all-in-one printer that offers exceptional performance. However, it is not uncommon for users to encounter certain error codes, one of which is the Error Code 0x21 displayed on the scanner. This error message indicates a specific issue with the scanner/ADF ALD PID, more specifically…
Epson ET-4750 Error Code 0x21 Part 83840
