HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 74)

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.
Click the OK button to close the Document
Properties dialog box.
5. In the Print dialog box, click the OK button to
print the job.
60 Chapter 4 Print ENWW