17D5 (Main Circuit Board Watchdog Error Occurred)

Step	Confirmation points and methods	Page	YES	NO
1	Turn power OFF/ON Does the product recover from the error?	---	End	Go 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 thePrinter 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 FFC	End	Escalate to person in charge

Step

Confirmation points and methods

Page

YES

Turn power OFF/ON

Does the product recover from the error?

---

End

Go to step 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 thePrinter 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?

End

Escalate to person in charge

# 256101/356101/17D5 (Main Circuit Board Watchdog Error Occurred)