Epson EW-M630T Error 0x003F The Epson EW-M630T printer may occasionally encounter an error code 0x003F with the message “ASF (1st) PID reverse error” displayed on its screen. This error indicates a problem with the Automatic Sheet Feeder (ASF) mechanism, leading to various issues such as paper feed failures, paper jams, mechanism overload, broken gears, encoder…