Hi,
Thanks for using the HP Support Community.
Can you download and install the FULL featured printer software from HP for your operating system:
https://support.hp.com/sg-en/drivers/selfservice/swdetails/hp-deskjet-3700-all-in-one-printer-series...
Once you have downloaded and installed the FULL feature software, you will be able to print and scan.
This resource for scan will be useful:
https://www.youtube.com/watch?v=d8pf3-jINh8
Hope that helps.

I am an HP Employee
Although I am speaking for myself and not for HP.
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