Epson WorkForce WF-R4640 list error codes with quick guides – Compatible Printer model: Epson WorkForce WF-R4640 – Epson WorkForce WF-R4640 Error Codes with quick guides: Code: 0x01 Description: ADF/ Scanner ADF PID excess speed error Causes: • ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • Motor driver failure (Main Board failure) Code: 0x02 Description: […]