You can set the administrator password using Web Config. When using Web Config, it is necessary to connect the printer to the network. If the printer is not connected to the network, connect it to the computer with an Ethernet cable directly.
On a computer connected to the same network as the printer, open a browser and enter the printer's IP address.
You can check the printer's IP address using the following menu.
Enter the administrator password to log in as an administrator.
The default User Name is blank.
See the related information below for the default administrator password.
Select Log in, enter the administrator password, and click OK.
Select Product Security>Change Administrator Password.
Enter the current password in the Current password field, and then enter the new password in the New Password and Confirm New Passwordfields. Enter the User Name, if necessary.
Select OK.
To restore the administrator password its default, select Restore Default Settings on the Change Administrator Password screen.