Load envelopes at the center of the paper support, short edge first with the flap facing down, and slide the edge guides to the edges of the envelopes.
The 
light or the light for the paper used last (
, 
, or 
) turns on when loading the paper. When you print using the printer driver or make a copy, you can ignore the light. When you print using AirPrint or Mopria, press the 
button to select the light for the paper loaded in the printer.
