Epson WF-2750-2751-2755 Error 0x4 B Description: The Epson WF-2750-2751-2755 Error code 0x4 B Display on SCANNER is an issue that occurs when there is a problem with the scanner or automatic document feeder (ADF) on the Epson printer. The error message indicates a Scanner/ADF FB BS+ lock error, which can be caused by various factors…