Change the administrator password in Web Config.
Access Web Config and select the Product Security tab > Change Administrator Password.
Enter the necessary information in Current password, User Name, New Password, and Confirm New Password.
The new password must be 8 to 20 characters long and only contain single-byte alphanumeric characters and symbols.
The following provides the default values for the administrator information.
User name: none (blank)
Password: Depends on the label attached to product.
If there is a "PASSWORD" label attached to the back, enter the 8-digit number shown on the label. If there is no "PASSWORD" label attached, enter the serial number on the label attached to the base of the product for the initial administrator password.
Be sure to remember the administrator password you set. If you forget your password, you will not be able to reset it and you will need to request help from service personnel.
Select OK.