Canon imageRUNNER ADVANCE C5500 Series Service Manual page 688

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2. Press [LUI MASK], and check that the button is enabled (has turned light blue).

■ Procedure for Disabling This Function

The procedure for disabling this function is shown below.

1. Perform one of the following operations.

• Access the service mode, press [LUI MASK], and check that the button is disabled (has turned gray).

• Exit the Remote Operation Viewer.

• Disconnect the network (disconnect the network cable, disable the network function, etc.).

• Shut down or restart the machine.

8. Service Mode

Troubleshooting