Basic Flowchart - Canon imageRUNNER ADVANCE C5500 Series Service Manual

Basic Flowchart

Basic Check Items
Check all the following items.
Turn O N the m ain pow er s w itc h.
■ Basic Check Items
1. Check if the Power Supply Plug is disconnected.
2. Check if the Connection Cable between the Riser PCB and Control Panel is disconnected.
3. Check if the Main Controller PCB is correctly connected to the Riser PCB.
4. Check the all-night power supply connection. Replace the non-all-night power supply if it cannot be recovered.
Does the Power
Supply LED on the Control
Panel light up?
Yes
Does the main body
boot c orrec tly ?
Yes
Take an ac tion appropriate
f or the error.
No
Ex ec ute bas ic c hec k.
No
Ex ec ute Controller Sy s tem
Error Diagnos is Tool.
454
6. Troubleshooting