Epson WorkForce WF7620 list error codes with quick guides – Compatible Printer model: Epson WorkForce WF7620 – Epson WorkForce WF7620 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: ADF/Scanner. […]