If your application has a setting for labels, use it as a template. Otherwise, for margin settings, refer to the label instructions. Load short end enters first and the side with the flap is face-up, as shown above. Close the flap, no exposed gummed surfaces. Windows or metal clasps will hurt the printer, don't use envelopes with them, please.
Many applications have a tool for making envelopes easier.
Loading Paper Okeeffe has about a 200 sheet capacity, so if it's getting a lot of use, it may be out of paper. The spare paper is on the bottom of the document storage shelf on the north end of the lab. Be prepared to explain why his snapshots are on your letterhead if you do this. Loading the tray Use the tray's maximum-capacity label to determine how much paper or transparency to load. Load paper with the side to be printed face-up, with the top of the page at the front of the tray.