Canon MF247dw User Manual page 633

<Initialize All>
Initializes all the system management settings.
If Remote UI settings are initialized
● The Remote UI Access PIN is also initialized. After an initialization, reset the Remote UI Access PIN.
Setting a Remote UI PIN (P. 399)
● You can use the procedure below to restore the default <Network Settings>.
<Menu> <Network Settings>
<Initialize All>
Initializes all the settings.
Maintenance
<Initialize Network Settings>
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<Yes> Restart the machine