Canon imageRUNNER ADVANCE C350 series Service Manual page 595

● Error Diagnosis
Boot System Error Diagnosis Table:
The error locations are identified according to the following table.
6
Troubleshooting > Controller Self Diagnosis > Operation > Controller System Error Diagnosis
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6 Troubleshooting > Controller Self Diagnosis > Operation > Controller System Error Diagnosis
■ Controller System Error Diagnosis
● 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.
● Diagnosis Time
Diagnosis is completed in approx. 3 minutes.
The result is displayed on the Control Panel.
<When the diagnosis result is normal>
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