HP 2 - Manual (Page 55)

paper trays
The printer has a fold-up paper tray that contains an In tray and an Out tray.
For information about the paper tray, select one of the topics below:
●
unfolding the paper trays
●
in tray
●
out tray
●
folding the paper trays
unfolding the paper trays
Follow these steps to unfold the paper trays:
1. Raise the printer cover.
2. Lower the In tray.
3. Lower the Out tray.