You can delete a specific sub-administrator or all sub-administrators.
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.
Select the following menu.
Product Security tab > Administrator Settings > User Settings
Select the number you want to delete, and then click Delete. To delete all sub-administrators, click Delete All.
Return to the user setting list after a specific length of time.