Epson WF-4640 Error 0x20 Epson WF-4640 Error code 0x20 is an issue that is displayed on the scanner of the printer. This error is typically associated with various problems related to the scanner’s functionality. The most common causes include scanner/ADF LED light error, CIS module failure, foreign object obstruction, dirty scanner housing upper, or even…
Epson WF-4640 Error Code 0x20 Part 79660
