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

Occurrence condition

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

Suspected cause

  • Disconnection or contact failure of the ASF Encoder FFC

  • ASF gear train parts failure

  • ASF Encoder failure

  • Main Board failure.

Related parts
  • Main Board Assy
Troubleshooting
ProcedureCheck and measureYesNo
1

Check the connection of the ASF Encoder FFC.

  • Make sure there is no damage in the ASF Encoder FFC, and no contact point damage, disconnection, or half insertion, etc.
Go to step 2

  • Properly connect the ASF Encoder FFC.

  • Replace the Printer Mechanism if the contact point is damaged or the ASF Encoder FFC is disconnected.

2

Check the ASF gear train parts.

  • Check the ASF gear train parts to make sure that there is no dropout, damage, or disengagement.
Go to step 3
  • If any ASF gear train parts are missing, damaged, or disengaged, replace the Printer Mechanism.
3Replace the Main board Assy.
  • Does the error occur after replacing the Main Board Assy?
Contact the EPSON Service Department.End