HP LaserJet Pro M1536dnf MFP SERIES - Manual (Page 85)

5. When prompted by the onscreen instructions,
retrieve the printed stack from the output bin,
maintaining the paper stack orientation, and
place it in Tray 1.
6. On the control panel, press the OK button to
print the second side of the job.
Print multiple pages per sheet with Windows
1. On the File menu in the software program, click
Print.
2. Select the product, and then click the
Properties or Preferences button.
ENWW Basic print tasks with Windows 71