This 3732 has now HpLip 3.17.9 and there is driver 3700 series and USB scanning and printing is Ok, but printing two-sided is not possible.
Direct mode is not workin, so perhaps I have to wait Driver for 3732.
All these things works in Win10.
I’ve moved this to the Support & Help Requests category because this site isn’t designed to take tech support questions. Sorry. I’d recommend using IRC, the Ubuntu Forums or AskUbuntu