Epson WF-7828 Error 0x21 The Epson WF-7828 Error code 0x21 signifies an issue with the scanner. The error message “Scanner/ADF ALD PID excess speed error” implies that there is a problem related to the ALD motor, which could be due to motor failure or a malfunctioning motor driver. Another possible cause could be a cable…
Epson WF-7828 Error Code 0x21 Part 83909
