HP 3500 - Manual (Page 85)

Loading paper into Tray 2
CAUTION To avoid jams, never add or remove a tray during printing.
1. Pull Tray 2 out of the printer and remove any paper.
2. Move the side width guides until the blue arrows on the width guides point to the size of
paper you are loading.
3. On the back of the tray, press the blue ridges and slide the length guides until the arrow
symbol points to the size you are loading.
ENWW Configuring trays 73