A:AnswerYes but you have to give it extra time to dry. A little trick i learned is to put it in the freezer for about 10 minutes and you will be good to go.
A:AnswerThe HP Smart app on your phones app store will find the device and walk you through set up. This will require a WiFi source.
It sounds like you are setting up WiFi Direct if you are printing a passcode, which is using a device network rather than data network. Which will not set up the device initially.