HP 3500 - Manual (Page 86)

4. Load the paper into the tray. If this is special paper such as letterhead, load it with the
side to be printed down and the top edge toward the front of the tray.
Note If you are duplex printing, see 2-sided (duplex) printing for loading instructions.
5. Push down on the stack of paper to lock the metal lift plate into place. Make sure that the
stack of paper is flat and that the paper is below the height tabs.
6. Slide the tray back into the printer.
74 Chapter 4 Printing tasks ENWW