Cannot Access Remote UI or Send Function Setting Tool

If the message [Cannot access Remote UI.] or [Cannot continue the settings because the function to perform settings for the device is restricted.] appears and you cannot access Remote UI or Send Function Setting Tool, troubleshoot by checking the items below.
Set the Remote UI Access PIN.
To access the Remote UI and Send Function Setting Tool, you must set the Remote UI Access PIN.
Administrator privileges are required to configure the setting.
[Home] screen on the operation panel [Menu] [Management Settings] [License/Other] or [Remote UI Settings/Update Firmware] [Remote UI Settings] [Restrict Access] [On] enter the PIN [Apply] enter the PIN again [Apply]
* You cannot set a PIN consisting of all zeros, such as "00" or "0000000."
* A Remote UI PIN is not required when Department ID Management is enabled.
Change the System Manager PIN.
When logging in with System Manager Mode or accessing Send Function Setting Tool, you must change the System Manager PIN from the default settings.
Administrator privileges are required to change the settings.
[Home] screen on the operation panel [Menu] [Management Settings] [User Management] [System Manager Information Settings] [System Manager ID and PIN] enter the System Manager ID [Apply] enter the PIN [Apply] enter the PIN again [Apply]
* You cannot set a System Manager ID or PIN consisting of all zeros, such as "00" or "0000000."
* Only allow certain administrators to have access to the System Manager ID and PIN after the settings are changed.
84CU-0SE