Hello Tropicalgal,
Welcome to the HP Forums!
I understand you would like to know how to copy a document double sided. I will do my best to assist you. Please follow these steps:
1) On your printer Control Panel, press the copy button
2) You will see an option called "Settings", please touch this
3) Touch two sided and pick which option you desire
Please let me know if you have any further questions. :smileyhappy: