Single-sheet priority input slot (Tray 1)
You should use the single-sheet priority input slot when feeding one sheet of paper,
envelope, postcard, label, or transparency. You can also use the single-sheet priority input
slot to print the first page on different media than the rest of the document.
Media guides ensure that the media is correctly fed into the printer and that the print is not
skewed (crooked on the media). When loading media, adjust the media guides to match the
width of the media that you are using.
The printer automatically prints from the single-sheet priority input slot before printing from
the main input tray.
Choosing paper and other media
for more information about media types.