Boot Method - Canon imageRUNNER ADVANCE C255 Series Service Manual

Boot Method

1. Turn ON the Main Power Supply Switch while pressing the numeric keys '2' and '4' simultaneously.
2. Keep pressing the numeric keys (for approx. 20 seconds) until the following screen appears on the Control Panel.
NOTE:
When this tool is not installed correctly, the regular Startup screen is displayed.
In this case, perform the following remedy.
Turn OFF the Main Power Switch again, and execute steps 1 and 2 shown above.
If this tool still does not boot, it means that BCT (Box Checker Test) is deleted, so install BCT.
If BCT is not installed correctly, "- - . - -" is displayed in Service Mode (BCT) in the host machine.
• COPIER > DISPLAY > VERSION > BCT
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BOX Checker Ver 0. 58
SCENARIO-1 Processing BoxMode check start. . .
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SN-1 IA-DDR2 SDRAM check start. . .
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6. Troubleshooting