Epson XP-850 User Manual page 37

5. Set the front edge guide to the position for the paper size you are using.
Note: Various paper sizes are marked on the tray.
6. Insert paper with the glossy or printable side facedown.
Note: Make sure the paper is loaded against the front edge guide.
7. Slide the side edge guides against the paper, but not too tightly.
Note: Make sure the paper is under the tabs on the edge guides.
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