HP SmTank 5101 All-In-One Wireless Thermal Inkjet Color Printer - Manual (Page 36)

6. When the Open Lid light blinks or lights up, open the scanner lid, flip the card on the scanner glass,
and then close the scanner lid.
7. Press the Copy button that is blinking or lit to copy the other side.
8. Wait for the page to print.
30 Chapter 5 Copy, Scan, and Mobile Fax