HP Deskjet 6122 Color Inkjet Printer - Manual (Page 63)

4. Change any other desired print settings, then do one of the following:
❍
Mac OS 8.6, 9.x, and X Classic: Click OK .
❍
Mac OS X: Click Print .
For a description of available print options, click the appropriate operating
system: Mac OS 8.6, 9.x, or X Classic or Mac OS X .
❍
Automatic : Prints from the In tray . If the In tray is empty, the
printer prints from the 250-Sheet Plain Paper Tray . If the lower tray
is empty, an Out of Paper message appears.