HP Deskjet 6122 Color Inkjet Printer - Manual (Page 66)

2. Open the Print dialog box, then select the following settings:
panel setting
Paper Type/Quality
Paper Type: Automatic or Plain Paper
Source: Upper Tray , Lower Tray , or
Automatic
3. Select any other desired print settings.
4. After you have selected the print settings, 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 .