Dell V715w All In One Wireless Inkjet Printer - Manual (Page 26)

5 Adjust the paper guides to rest gently against the left, right, and bottom edges of the envelopes or photo paper.
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6 Insert the tray.
7 Flip up the paper stop to catch the envelopes or photos as they exit.
Note: For best results, allow photos to dry at least 24 hours before stacking, displaying, or storing.
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