My imac is not recognizing my printer HP envy 7640

[JPero]

My computer is not recognizing my printer. I uninstalled it, and now it is not able to locate it.  I shut the printer and computer on and off, checked the wireless connections, and nothing is working.

[Kumar0307]

@JPero, Welcome to the HP Support Community! I’m here to help.

I understand you are trying to connect the printer to the PC. Let us try these steps to resolve this issue:

Run HP Print and Scan Doctor to diagnose and fix any driver issue

Click here to download the file. Once downloaded, make sure to run the file to start the installation and click on 'Fix printing'.

If the issue persists, proceed to the next step.

• Restart the router, the printer, and the PC

On the printer screen, go to Setup > Network Setup > Restore network settings

Go back to Network > Wireless > Wireless setup wizard and select your network.

• Make sure the printer and the PC are connected to the same wireless network. Either 2.4 or 5GHz network.
• If you have a Dual-band router and both 2.4GHz and 5GHz networks share the same name/SSID, the printer will not be able to connect to the network. In this case, contact your Internet service provider to assign different names to both networks.

Use the HP Smart app to print and scan. 

Hope this helps! Let me know how it goes. 

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Have a great day!