Computer is not communicat​ing with the printer

We recently bought our first wireless printer about 2 months ago, HP Envy 7640 e all in one printer.  It was connected and working fine. We have since moved and the computer is recognizing the printer, but it is not communicating.  I have tried everything.  Any suggestions??

Hey @JessandMarie, 
Welcome to the HP Support Forum.  
I understand you're encountering a connectivity issue with your HP ENVY 7640 e-All-in-One Printer.  I would like to assist you with this.  
Since you have moved, it is more than likely that you're now connected to a different wireless network.  Or at the very least, if you're using the same hardware, your IP address will be different from whatever it was when you first installed your printer on your computer.  To put it another way, the printer software on your computer is looking to connect with your printer at an IP address that is most likely not active, hence the communication issue.  
What operating system are you working with?  I have common steps for both Windows and Mac users that may help. However, if my recommended troubleshooting flow falls short of a resolution, please respond to this post with your operating system version.  
Firstly, from your printer's front panel, touch the icon.  If it's indicating wireless connectivity and is displaying an IP address you are connected.  If you're not connected, run the Wireless Setup Wizard, select your network name (SSID) and input your wireless password.  If you do not know your network name and password, click here for instructions on how to locate it using both Windows and Mac setups.  
Once you have established wireless connectivity, uninstall your printer driver (if you're not sure how click here), and then click here to reinstall (you will need to select the version that's corresponding to your operating system).  
Let me know how this works out for you.  If you need any further assistance I'm always happy to help.  
Have a great weekend!  
E-roq
I work on behalf of HP.
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
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