HP Deskjet 9800 Printer series - Manual (Page 52)

NOTE When 215.9 x 279.4 mm (8.5 x 11 inch) paper is loaded in the input tray, the tray
extension will close to the edge of the paper and leave a slight gap between the extension
and the tray. The tray extends further to accommodate larger-sized media.
7 Lower the output tray to its horizontal position.
HP D eskjet 9800
8 Extend the output tray if necessary.
42 4 Printing and loading media