HP LaserJet Enterprise 600 Printer M603 series - Manual (Page 137)

2. Select the product, and then click the
Properties or Preferences button.
3. Click the Finishing tab.
4. In the Orientation area, select the Portrait
or Landscape option.
To print the page image upside down, select
the Rotate by 180 degrees option.
ENWW Basic print tasks with Windows 121