Loading Envelopes - Epson Stylus Photo RX600 User Manual

Also be sure to:
Load all paper with the printable side up. It's usually brighter or whiter.
Always load the short edge first, even when printing on 4 × 6 inch paper.
Do not load paper above the arrow on the left edge guide.
Load letterhead or preprinted paper top edge first.
If you're using special paper, follow the instructions that came with the paper.

Loading Envelopes

1. Open the output tray.
2. Flip the feeder guard forward.
Feeder guard
Output tray
Loading Envelopes
17