HP LaserJet M1005 Multifunction Printer series - Manual (Page 47)

Printing on both sides (Macintosh)
1. On the Print dialog, select Manual Duplex.
2. In the Manual Duplex area, select Print on Both Sides (Manually).
3. Print the document.
4. After one side has been printed, remove the remaining media from the input tray, and set it aside
until after you finish your manual duplexing job.
5. Without changing the orientation, remove the printed stack from the output bin, and then straighten
the stack.
ENWW Using features in the Macintosh printer driver 37