- 24 -2. Setup• The front cover cannot be closed securely if the output tray is not closed.• When the error message that the top or front cover is open does not disappear from the operator panel’sdisplay screen, make sure they are closed securely.For details on available paper, see "Supported Paper".1 Pull out the paper cassette (1).2 Set the paper size dial (2) to match the loading paper size.Set the dial to [A4 ] when loading the A4 size paper with a landscape orientation.• If the size of paper cannot be found in items of the dial, set "Other".Loading Paper