DB8B (In-printer LED Board Failure (Overvoltage) Occurred)

Short circuit due to dust on the CE46 SUB-C Board
CE46 SUB-C Board failure
The cable connecting the CE46 SUB-C Board and the Printer Main Circuit Board has shorted

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	Remove foreign objects from the CE46 SUB-C Board Check the CE46 SUB-C Board for damage and other abnormalities, and for foreign objects. If a foreign object is found, remove it. Does the product recover from the error?	CE46 SUB-C Board	End	Go to step 3
3	The cable connecting the CE46 SUB-C Board and the Printer Main Circuit Board has shorted Check the connection status of the cable connecting the CE46 SUB-C Board and the Printer Main Circuit Board (disconnection, skewed connection, inserted halfway, peeled terminal). If an abnormality is found, reconnect it. Does the product recover from the error?	CE46 SUB-C Board Printer Main Circuit Board	End	Go to step 4
4	Replace the CE46 SUB-C Board Does the product recover from the error?	CE46 SUB-C Board	End	Go to step 5
5	Replace the Printer Main Circuit Board. Does the product recover from the error?	Printer Main Circuit Board	End	Escalate to person in charge

# 256203/356203/DB8B (In-printer LED Board Failure (Overvoltage) Occurred)