HP Deskjet 5850 Color Inkjet Printer - Manual (Page 107)

1. paper length guide
in tray extension
To print on large paper, such as legal paper, pull out the paper length guide to the
edge of the In tray, then pull out the In tray extension.
1. in tray extension
out tray
Printed pages are deposited in the Out tray.
1. out tray
To prevent paper from falling out of the tray, pull out the Out tray extension.