HP LaserJet M3027 Multifunction Printer series - Manual (Page 81)

Load tray 2 and optional tray 3
Trays 2 and 3 support only paper. For supported paper sizes, see Select print media on page 63 .
1. Pull the tray out of the device and remove any paper.
2. On the rear paper-length guide, press the tab and slide it so that the pointer matches the paper
size that you are loading. Make sure that the guide clicks into place.
3. Adjust the side media-width guides outward so that the pointer matches the paper size that you
are loading.
ENWW Load media 69