Xerox Phaser 3330 - Manual (Page 51)

If you do not load envelopes in the bypass tray right after they have been removed
from the packaging, they can bulge. Flatten them to avoid jams.
3. To load envelopes, place the envelopes with the print side up, flaps closed and down,
and the flap of the envelope to the left.
4. Adjust the guides until they touch the edges of the paper.
5. If the control panel Paper Settings screen prompts you, verify the paper size, type,
and color.
6. When finished, touch Confirm.
4-13 Xerox ® Phaser ® 3330 Printer
User Guide
Paper and Media