Flow D: Flow For Identifying The Cause Of Failure In The Main Controller Pcb And Flash Pcb - Canon imageRUNNER ADVANCE C3330 Series Service Manual

■ Remedy after the check
1. Perform the following checks if the failure diagnosis does not start. If it starts, proceed to the next step.
• Install the system software (Download by 2+8 startup)
• Replace the SATA Flash.
• Replace the Main Controller Unit.
2. When the detected location is displayed on the screen where "NG" is displayed, identify the location of the failure
by referencing the controller system failure diagnosis, and perform the remedy. If the diagnosis does not proceed
to a status where "NG" is displayed, proceed to the next step.
3. If the failure diagnosis does not finish, perform the following work:
• Install the system software (Download by 2+8 startup)
• Replace the SATA Flash.
• Replace the Main Controller Unit.
Flow D: Flow for identifying the cause of failure in the Main Controller
PCB and Flash PCB
■ Status Check
The Control Panel may not be turned ON even if there is a failure in the Flash PCB; therefore, identify the PCB causing the failure
before replacing the Main Controller PCB.
■ Check Item
1. Turn OFF the power.
2. Remove the Flash PCB
3. Turn ON the power.
4. Check whether the error code "E748-2010" is displayed on the Control Panel.
• If it is displayed:
1. Replace the Flash PCB.
• If it is not displayed:
1. Turn OFF the power again, and return the Flash PCB to its original position.
2. Go to "Flow B: Control Panel Check Flow" (identify the location of error: Main Controller PCB or Control Panel).
"Flow B: Control Panel Check Flow" on page 422
424
6. Troubleshooting