Disabling HTTP Communication
It is recommended to disable HTTP communication when using only the USB connection or when not using functions that require HTTP communication, such as Remote UI, WSD printing, and AirPrint.
This section describes how to configure the settings using the control panel.
You can also configure the settings using Remote UI from a computer. Managing the Machine from a Computer (Remote UI)
Administrator privileges are required.
You can also configure the settings using Remote UI from a computer. Managing the Machine from a Computer (Remote UI)
Administrator privileges are required.
1
On the control panel, press [Menu] in the [Home] screen. [Home] Screen
2
Press [Preferences] 
[Network] [TCP/IP Settings] [Use HTTP].
[Network] [TCP/IP Settings] [Use HTTP].The [Use HTTP] screen is displayed.
If the login screen appears, enter the System Manager ID and PIN, and then click [Log In]. System Manager ID and PIN
3
Press [Off] [Yes].
[Yes].