You can delete a specific sub-administrator or all sub-administrators.
Enter the printer's IP address into a browser to access Web Config.
Enter the printer's IP address from a computer that is connected to the same network as the printer.
You can check the IP address of the printer from the following menu.
Settings > General Settings > Network Settings > (Standard) > Network Status > Wired LAN/Wi-Fi Status
Enter the administrator password to log in as an administrator.
Select in the following order.
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.