256102/356102/17D6 (Main Circuit Board Watchdog Error Occurred)

Error contents
  • Main Circuit Board watchdog error occurred.
Suspected cause
  • Printer Main Circuit Board failure (SOC not operating)
Parts/Components to be checked
  1. CH83 Main Board - CH83 Main-B Board FFC
Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Turn power OFF/ON

Does the product recover from the error?

---

EndGo to step 2
2

Check the connection status of the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board

  • Check the connection status of the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board (disconnection, skewed connection, inserted halfway, peeled terminal). If an abnormality is found, reconnect it.
  • If there is an abnormality with the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board, and the problem is not resolved even after reconnection, then replace the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board.

Does the product recover from the error?

CH83 Main Board - CH83 Main-B Board FFCEndEscalate to person in charge