When i bought this last year it printed two sided but now has stopped doing it.
I have gone through your post and would like to help
Have you check the settings to ensure you are doing duplex printing?
To assist you better please let me know which App you are using when doing double sided printing
Also if possible, send me a picture of the options you see while selecting the printer settings for duplex printing
Keep me posted
KrazyToadI Am An HP Employee
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