what tray are you putting the envelopes in and what program are you using to print them
what error are you getting when you try ?
You should be able to tell it what drawer to pull it out of in the print options in the word under the envelope wizard.
that printer can print envelopes from the main paper tray as well so it has to be told either what is in what tray or which tray you are printing from
I can log in remotely to do it for you if you cant find it. but there is a printing option button where you select what envelopes to use. that has a tab for printer that shows exactly where to feed it and in what direction. You can adjust that.
Also the envelopes might not be pushed in far enough to register. But i would say it is more likely the settings.
i will be here around noon CST tomorrow.
as soon as you accept the offer i can get you my phone number and a remote link