HP LaserJet Pro 100 color MFP M175nw - Manual (Page 133)

Copy on both sides manually (duplex)
1. Load the first page of the document onto the
scanner glass or into the document feeder.
2. On the control panel, press the Black or
Color button to start copying.
3. Remove the printed copy from the output bin,
rotate the stack 180 degrees, and then load
the page with the printed side down into Tray
1.
4. Load the next page of the document onto the
scanner glass or into the document feeder.
ENWW Copy on both sides manually (duplex) 119