For details about logging in and logging out with administrator authentication, see Administrator Login Method and Administrator Logout Method.
Log in as an administrator from the control panel.
Press [System Settings].
Press [Administrator Tools].
Press [] 3 times.
Press [Program/Change Administrator].
Press [Machine Administrator].
Press [Change] for "Login User Name".
Enter the login user name, and then press [OK].
Press [Change] for "Login Password".
Enter the login password, and then press [OK].
Follow the password policy to strengthen the login password.
For details about the password policy and how to specify it, see Specifying the Extended Security Functions.
Enter the login password for confirmation again, and then press [OK].
Press [Change] for "Encryption Password".
Enter the encryption password, and then press [OK].
Enter the encryption password for confirmation again, and then press [OK].
Press [OK].
Press [Exit].
You will be automatically logged out.
For the characters that can be used for login user names and passwords, see Usable characters for user names and passwords.