爱普生打印机WF-7610错误代码0xF3,维修手册,技术资料error 0xF2 or 0xF3. The error compare when there are some problem with encoder with roller to feed paper. Description: PF PID excess speed error Causes: PF Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt Code: 0xF3 Description: PF PID reverse error Causes: PF Encoder failure (contaminated/detached scale, Encoder Board failure) Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt