Lexmark MS312
Using the Embedded Web Server
Open a Web browser, and then type the printer IP address in the address field.
Notes:
Click Settings > Paper Menu.
From the Tray Configuration section, select a paper source, and then select a custom paper type under the paper type column.
Click Submit.
Using the printer settings on the computer
Printer Registers a 202.17 Paper Jam
How to fix a 230.01 paper jam