Epson L4160-L4167-L4168 Error 0x4B The Epson L4160-L4167-L4168 printer model may encounter an error code 0x4B, which will be displayed on the scanner. This error is known as the Scanner/ADF FB BS+ lock error. It can occur due to various issues, including encoder failure, tooth skip or improper tension of the timing belt, gear crack, cable…