Canon imageRUNNER ADVANCE 4551i Service Manual page 457

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Detection Description

Detection Description

An error was detected in the license-related area. (Initialization failed at startup or I/O error at

When this error occurs, the system has not been started normally. Therefore, it may not be

recorded in the error log.

[Related parts] R1.00

- Harnesses between the Main Controller PCB and the HDD

- Main Controller PCB

[Remedy] Perform the following in the order while checking whether the error is cleared. Although

the error is cleared by "HD-CHECK", it may occur again. Thus, perform Remedies 1 to 5.

1. Check the related harness/cable and connector.

2. Turn OFF and then ON the main power, and check whether the error is cleared.

3. Select COPIER> FUNCTION> SYSTEM> CHK-TYPE> "12", and execute "HD-CHECK". Then,

turn OFF and then ON the main power.

4. Obtain the necessary backup data by referring to the backup data list.

[Reference] For backup and restoration, refer to "Adjustment> Main Controller System" and

"Appendix> Backup Data List" in the Service Manual.

5. Enter safe mode using (2+8) startup. Then format the HDD and reinstall the system software

using SST or a USB flash drive.

6. Check/replace the related parts.

An error was detected in the license-related area. (File could not be written in the HDD after startup

or I/O error after startup)