ASF load position excess speed error (error code: 000072)

Cause

State in which driven at unexpected speed (fast) for control.

Suspected cause
  • ASF gear train part damaged
  • ASF motor encoder failure
  • Motor driver failure/main board failure
Troubleshooting
Procedure Check and measure Yes No
1

Check the ASF gear train parts
Check that an ASF gear train part has not dropped off or become detached. Is the result OK?

Replace the following parts in sequence.

  • ASF Motor Assy
  • Main Board

(If the trouble is not resolved after replacing the parts shown above, Contact the Epson Service Support department.)

Reassemble the ASF gear train parts.