Using the Embedded Web Server
Open a Web browser, and then type the printer IP address in the address field.
Click Settings > Paper Menu > Custom Names.
Type a name for the paper type, and then click Submit.
Select a custom type, and then verify that the correct paper type is associated with the custom name.
Note: Plain Paper is the factory default paper type for all user‑defined custom names.
Using the printer control panel
From the printer control panel, navigate to:
> Settings > > Paper Menu > > Custom Names
Type a name for the paper type, and then press .