Cannot Remember Printer's Administrator Password

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If you forgot the administrator password:
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If User management settings or Screen lock settings is disabled:
Select
(Setup) on HOME screen > Printer settings > Reset settings > Reset all, in order to restore to default administrator password.After initializing the printer settings, redo setup.
Refer to Setup Guide and redo setup.
Refer to below regarding initialized administrator password.
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If User management settings or Screen lock settings is enabled:
Contact your nearest Canon service center.
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If you forgot the security administrator password:
It is not possible to change or unset the security policy settings/the security administrator password.
Contact your nearest Canon service center.
