Lexmark MS812dn / MS812dtn
Using the Embedded Web Server
Assign a custom paper type name to a tray when linking or unlinking trays.
Open a Web browser, and then type the printer IP address in the address field.
Notes:
Click Settings > Paper Menu > Custom Types.
Select a custom paper type name, and then select a paper type
Note: Paper is the factory default paper type for all user‑defined custom names.
Click Submit.
Using the printer control panel
From the home screen, navigate to:
> Paper Menu > Custom Types
Touch .